Não informado. (1957). Journal of Mathematics and Mechanics. Indiana University, Graduate Institute for Applied Mathematics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Mathematics and Mechanics. Bloomington, Ind: Indiana University, Graduate Institute for Applied Mathematics, 1957.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Mathematics and Mechanics. Indiana University, Graduate Institute for Applied Mathematics, 1957.
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