Não informado. (2020). Journal of the Faculty of Science, Hokkaido Imperial University. Hokkaido University, Department of Mathematics.
Chicago-viite (17. p.)Não informado. Journal of the Faculty of Science, Hokkaido Imperial University. Sapporo, Japão: Hokkaido University, Department of Mathematics, 2020.
MLA-viite (8. p.)Não informado. Journal of the Faculty of Science, Hokkaido Imperial University. Hokkaido University, Department of Mathematics, 2020.
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