Add citation for formula of Tribonacci constant

doc/source/references.rst

@@ -277,6 +277,8 @@ References
 
 .. [Whiteman1956] \Whiteman, A. L. : A sum connected with the series for the partition function, Pacific Journal of Mathematics 6:1 (1956) 159--176
 
+.. [Wol1998] \D. A. Wolfram. "Solving Generalized Fibonacci Recurrences". The Fibonacci Quarterly 36 (1998) 129--145
+
 .. [Zip1985] \R. Zippel. "Simplification of expressions involving radicals". Journal of Symbolic Computation (1985) 1, 189-210. https://doi.org/10.1016/S0747-7171(85)80014-6
 
 .. [vHP2012] \M. van Hoeij and V. Pal. "Isomorphisms of algebraic number fields". Journal de Théorie des Nombres de Bordeaux, Vol. 24, No. 2 (2012), pp. 293-305. https://doi.org/10.2307/43973105
@@ -285,5 +287,4 @@ References
 
 .. [vdH2006] \J. van der Hoeven, "Computations with effective real numbers". Theoretical Computer Science, Volume 351, Issue 1, 14 February 2006, Pages 52-60. https://doi.org/10.1016/j.tcs.2005.09.060
 
-All referenced works: [AbbottBronsteinMulders1999]_, [Apostol1997]_, [Ari2011]_, [Ari2012]_, [Arn2010]_, [ArnoldMonagan2011]_, [BBC1997]_, [BBC2000]_, [BBK2014]_, [BF2020]_, [BFSS2006]_, [BJ2013]_, [BM1980]_, [BZ1992]_, [BZ2011]_, [BaiWag1980]_, [BerTas2010]_, [Blo2009]_, [Bodrato2010]_, [Boe2020]_, [Bog2012]_, [Bor1987]_, [Bor2000]_, [Bre1978]_, [Bre1979]_, [Bre2010]_, [BrentKung1978]_, [BuhlerCrandallSompolski1992]_, [CGHJK1996]_, [CP2005]_, [Car1995]_, [Car2004]_, [Chen2003]_, [Cho1999]_, [Coh1996]_, [Coh2000]_, [Col1971]_, [CraPom2005]_, [DYF1999]_, [DelegliseNicolasZimmermann2009]_, [DomKanTro1987]_, [Dup2006]_, [Dus1999]_, [EHJ2016]_, [EM2004]_, [Fie2007]_, [FieHof2014]_, [Fil1992]_, [GCL1992]_, [GG2003]_, [GS2003]_, [GVL1996]_, [Gas2018]_, [GowWag2008]_, [GraMol2010]_, [HM2017]_, [HS1967]_, [HZ2004]_, [HanZim2004]_, [Har2010]_, [Har2012]_, [Har2015]_, [Har2018]_, [Hart2010]_, [Hoe2001]_, [Hoe2009]_, [Iliopoulos1989]_, [JB2018]_, [JM2018]_, [JR1999]_, [Joh2012]_, [Joh2013]_, [Joh2014a]_, [Joh2014b]_, [Joh2014c]_, [Joh2015]_, [Joh2016]_, [Joh2017]_, [Joh2017a]_, [Joh2017b]_, [Joh2018a]_, [Joh2018b]_, [Kahan1991]_, [KanBac1979]_, [Kar1998]_, [Knu1997]_, [Kob2010]_, [Kri2013]_, [Leh1970]_, [LukPatWil1996]_, [MP2006]_, [MPFR2012]_, [MasRob1996]_, [Mic2007]_, [Miy2010]_, [Mos1971]_, [Mul2000]_, [NIST2012]_, [NakTurWil1997]_, [Olv1997]_, [PP2010]_, [PS1973]_, [PS1991]_, [Paterson1973]_, [PernetStein2010]_, [Pet1999]_, [Pla2011]_, [Pla2017]_, [RF1994]_, [Rad1973]_, [Rademacher1937]_, [Ric1992]_, [Ric1995]_, [Ric1997]_, [Ric2007]_, [Ric2009]_, [RosSch1962]_, [Rum2010]_, [Smi2001]_, [SorWeb2016]_, [Ste2002]_, [Ste2010]_, [Stehle2010]_, [Stein2007]_, [StoMul1998]_, [Str1997]_, [Str2012]_, [Tak2000]_, [ThullYap1990]_, [Tre2008]_, [Tru2011]_, [Tru2014]_, [Tur1953]_, [Villard2007]_, [WaktinsZeitlin1993]_, [Wei2000]_, [Whiteman1956]_, [Zip1985]_, [vHP2012]_, [vdH1995]_, [vdH2006]_
-
+All referenced works: [AbbottBronsteinMulders1999]_, [Apostol1997]_, [Ari2011]_, [Ari2012]_, [Arn2010]_, [ArnoldMonagan2011]_, [BBC1997]_, [BBC2000]_, [BBK2014]_, [BF2020]_, [BFSS2006]_, [BJ2013]_, [BM1980]_, [BZ1992]_, [BZ2011]_, [BaiWag1980]_, [BerTas2010]_, [Blo2009]_, [Bodrato2010]_, [Boe2020]_, [Bog2012]_, [Bor1987]_, [Bor2000]_, [Bre1978]_, [Bre1979]_, [Bre2010]_, [BrentKung1978]_, [BuhlerCrandallSompolski1992]_, [CGHJK1996]_, [CP2005]_, [Car1995]_, [Car2004]_, [Chen2003]_, [Cho1999]_, [Coh1996]_, [Coh2000]_, [Col1971]_, [CraPom2005]_, [DYF1999]_, [DelegliseNicolasZimmermann2009]_, [DomKanTro1987]_, [Dup2006]_, [Dus1999]_, [EHJ2016]_, [EM2004]_, [Fie2007]_, [FieHof2014]_, [Fil1992]_, [GCL1992]_, [GG2003]_, [GS2003]_, [GVL1996]_, [Gas2018]_, [GowWag2008]_, [GraMol2010]_, [HM2017]_, [HS1967]_, [HZ2004]_, [HanZim2004]_, [Har2010]_, [Har2012]_, [Har2015]_, [Har2018]_, [Hart2010]_, [Hoe2001]_, [Hoe2009]_, [Iliopoulos1989]_, [JB2018]_, [JM2018]_, [JR1999]_, [Joh2012]_, [Joh2013]_, [Joh2014a]_, [Joh2014b]_, [Joh2014c]_, [Joh2015]_, [Joh2016]_, [Joh2017]_, [Joh2017a]_, [Joh2017b]_, [Joh2018a]_, [Joh2018b]_, [Kahan1991]_, [KanBac1979]_, [Kar1998]_, [Knu1997]_, [Kob2010]_, [Kri2013]_, [Leh1970]_, [LukPatWil1996]_, [MP2006]_, [MPFR2012]_, [MasRob1996]_, [Mic2007]_, [Miy2010]_, [Mos1971]_, [Mul2000]_, [NIST2012]_, [NakTurWil1997]_, [Olv1997]_, [PP2010]_, [PS1973]_, [PS1991]_, [Paterson1973]_, [PernetStein2010]_, [Pet1999]_, [Pla2011]_, [Pla2017]_, [RF1994]_, [Rad1973]_, [Rademacher1937]_, [Ric1992]_, [Ric1995]_, [Ric1997]_, [Ric2007]_, [Ric2009]_, [RosSch1962]_, [Rum2010]_, [Smi2001]_, [SorWeb2016]_, [Ste2002]_, [Ste2010]_, [Stehle2010]_, [Stein2007]_, [StoMul1998]_, [Str1997]_, [Str2012]_, [Tak2000]_, [ThullYap1990]_, [Tre2008]_, [Tru2011]_, [Tru2014]_, [Tur1953]_, [Villard2007]_, [WaktinsZeitlin1993]_, [Wei2000]_, [Whiteman1956]_, [Wol1998]_, [Zip1985]_, [vHP2012]_, [vdH1995]_, [vdH2006]_