Não informado. (1950). Matrix and Tensor Quarterly. Tensor Society of Great Britain.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Matrix and Tensor Quarterly. London: Tensor Society of Great Britain, 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Matrix and Tensor Quarterly. Tensor Society of Great Britain, 1950.
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