The multiplicity of binary recurrences
Compositio Mathematica, Volume 40 (1980) no. 2, p. 251-267
@article{CM_1980__40_2_251_0,
     author = {Beukers, Frits},
     title = {The multiplicity of binary recurrences},
     journal = {Compositio Mathematica},
     publisher = {Sijthoff et Noordhoff International Publishers},
     volume = {40},
     number = {2},
     year = {1980},
     pages = {251-267},
     zbl = {0396.10005},
     mrnumber = {563543},
     language = {en},
     url = {http://www.numdam.org/item/CM_1980__40_2_251_0}
}
Beukers, F. The multiplicity of binary recurrences. Compositio Mathematica, Volume 40 (1980) no. 2, pp. 251-267. http://www.numdam.org/item/CM_1980__40_2_251_0/

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