@article{Harase:1988vb,
    Abstract = {We obtain a theorem giving a condition for algebraicity of an element in a formal power series field of characteristicp>0. Using it many results can be proved, for example, the ``theorem of the diagonal''of Furstenberg is deduced as an easy corollary.},
    Author = {Harase, Takashi},
    Date = {1988/10/01},
    ISBN = {1565-8511},
    Journal = {Israel Journal of Mathematics},
    Number = {3},
    Pages = {281--288},
    Title = {Algebraic elements in formal power series rings},
    URL = {https://doi.org/10.1007/BF02778035},
    Volume = {63},
    Year = {1988},
    bdsk-url-1 = {https://doi.org/10.1007/BF02778035},
    date-added = {2021-11-26 18:10:51 +0100},
    date-modified = {2021-11-26 18:10:51 +0100},
    id = {Harase1988},
    doi = {10.1007/BF02778035}
}

@article{Harase:1988vb, Abstract = {We obtain a theorem giving a condition for algebraicity of an element in a formal power series field of characteristicp>0. Using it many results can be proved, for example, the ``theorem of the diagonal''of Furstenberg is deduced as an easy corollary.}, Author = {Harase, Takashi}, Date = {1988/10/01}, ISBN = {1565-8511}, Journal = {Israel Journal of Mathematics}, Number = {3}, Pages = {281--288}, Title = {Algebraic elements in formal power series rings}, URL = {https://doi.org/10.1007/BF02778035}, Volume = {63}, Year = {1988}, bdsk-url-1 = {https://doi.org/10.1007/BF02778035}, date-added = {2021-11-26 18:10:51 +0100}, date-modified = {2021-11-26 18:10:51 +0100}, id = {Harase1988}, doi = {10.1007/BF02778035} }