000 00310nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
082 _a530.15
_bGUP/M
100 _aGUPTA
245 0 _aMATHEMATICAL PHYSICS
250 _a3rd Ed.
260 _bVikas Publishing House Pvt. Ltd., Delhi
_aDelhi
_c2008
942 _cBK
999 _c13205
_d13205