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    Article

    Discriminant of Hecke fields and twisted adjoint L-values for GL(2)

    Koji Doi, Haruzo Hida, Hidenori Ishii in Inventiones mathematicae (1998)

  2. No Access

    Chapter and Conference Paper

    On some congruences between cusp forms on Γo(N)

    Koji Doi, Masami Ohta in Modular Functions of one Variable V (1977)

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    Article

    On the functional equation of certain Dirichlet series

    Koji Doi, Hidehisa Naganuma in Inventiones mathematicae (1969)