References
Weatherburn, C. E.Introduction to Riemannian Geometry, Ex. 1, p. 95.
Bell, R. J. T.Co-ordinate Geometry of Three Dimensions, Ex. 5 and 6, p. 294.
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Communicated by Dr. A. Narasinga Rao,m.a., d.sc., f.a.sc.
This paper has been worked out during my reasearch felloship under the Government of India Scheme. I wish to express my thanks to Dr. C. N. Srinvasiengar for his scrutiny and guidance.
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Nagarathnamma, H.S. Umbilical indicatrices of the unit tangent vector and the principal normal and binormal vectors of a curve in Riemannian space. Proc. Indian Acad. Sci. 44, 351–359 (1956). https://doi.org/10.1007/BF03046061
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DOI: https://doi.org/10.1007/BF03046061