Não informado. (2012). Toyama Mathematical Journal. University of Toyama, Faculty of Science, Department of Mathematics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Toyama Mathematical Journal. Toyama, Japão: University of Toyama, Faculty of Science, Department of Mathematics, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Toyama Mathematical Journal. University of Toyama, Faculty of Science, Department of Mathematics, 2012.
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