€¦ · R. S. Millman and (YD. Parker, Elements of Differential Geometry, (Prentice-Hall, 1977) E....
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€¦ · R. S. Millman and (YD. Parker, Elements of Differential Geometry, (Prentice-Hall, 1977) E. Kreyzig, Differential Geometry, (Dover Publications, 1991)
