References
Vaidyanathaswamy, “A memoir on the Cubic Transformations associated with a desmic system,”J.I.M.S. Supplement, 1927, 1–9, 50.
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(Communicated by Prof. C. V. H. Rao)
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Mandan, S.R. Umbilical projection. Proc. Indian Acad. Sci. (Math. Sci.) 15, 16–17 (1942). https://doi.org/10.1007/BF03049163
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DOI: https://doi.org/10.1007/BF03049163