000 00257nam a2200097Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
100 _aVasishtha, A.R.
_922782
245 _aDifferential geometry
250 _b1998. viii-396
260 _bKedar Nath. Meerut. ndia
999 _c22554
_d22554