Não informado. (2020). Journal of Mathematics, Osaka City University. Osaka City University, Department of Mathematics.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Mathematics, Osaka City University. Osaka, Japão: Osaka City University, Department of Mathematics, 2020.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Mathematics, Osaka City University. Osaka City University, Department of Mathematics, 2020.
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