000 00320nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a516
082 _b36 P88
100 _a"Prakash, Nirmala"
245 0 _aDifferential Geometry An
260 _aNew Delhi
260 _bT.M.H
260 _c1981
300 _axvi-414
999 _c21835
_d21835