000 00264nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aJ N SHARMA
_917081
245 0 _aDIFFERENTIAL GEOMETRY
260 _bKEDAR NATH PUBCTION
_c2018
300 _a396
942 _cBK
999 _c114690
_d114690