Khanna, M. L. (1995). Differential Geometry (10th ed.). Jai Prakash Nath & Co..
Chicago-čujuhus (17. p.)Khanna, M. L. Differential Geometry. 10th ed. Meerut: Jai Prakash Nath & Co., 1995.
MLA-čujuhus (9. p.)Khanna, M. L. Differential Geometry. 10th ed. Jai Prakash Nath & Co., 1995.
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