@article{Harase:1989aa,
    Abstract = {We obtain explicit formulae for degrees on diagonals, Hadamard products and Lamperti products.},
    Author = {Harase, Takashi},
    Date = {1989/02/01},
    File = {Algebraic elements in formal power series rings II - harase1989.pdf},
    ISBN = {1565-8511},
    Journal = {Israel Journal of Mathematics},
    Number = {1},
    Pages = {62--66},
    Title = {Algebraic elements in formal power series rings II},
    URL = {https://doi.org/10.1007/BF02764899},
    Volume = {67},
    Year = {1989},
    bdsk-url-1 = {https://doi.org/10.1007/BF02764899},
    date-added = {2023-08-28 15:35:07 +0200},
    date-modified = {2023-08-28 15:35:07 +0200},
    id = {Harase1989},
    doi = {10.1007/BF02764899}
}

@article{Harase:1989aa, Abstract = {We obtain explicit formulae for degrees on diagonals, Hadamard products and Lamperti products.}, Author = {Harase, Takashi}, Date = {1989/02/01}, File = {Algebraic elements in formal power series rings II - harase1989.pdf}, ISBN = {1565-8511}, Journal = {Israel Journal of Mathematics}, Number = {1}, Pages = {62--66}, Title = {Algebraic elements in formal power series rings II}, URL = {https://doi.org/10.1007/BF02764899}, Volume = {67}, Year = {1989}, bdsk-url-1 = {https://doi.org/10.1007/BF02764899}, date-added = {2023-08-28 15:35:07 +0200}, date-modified = {2023-08-28 15:35:07 +0200}, id = {Harase1989}, doi = {10.1007/BF02764899} }