Não informado. (2020). Journal of the Faculty of Science, Hokkaido University. Hokkaido University, Department of Mathematics.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of the Faculty of Science, Hokkaido University. Sapporo, Japão: Hokkaido University, Department of Mathematics, 2020.
Citação MLA (8ª ed.)Não informado. Journal of the Faculty of Science, Hokkaido University. Hokkaido University, Department of Mathematics, 2020.
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