000 00347nam a2200145Ia 4500
008 170519s9999 xx 000 0 und d
041 _aEnglish
082 _a530.15/GUP/MAT
100 _aB.D GUPTA
245 _aMATHEMATICAL PHYSICS
260 _bVANI EDUCATIONAL BOOKS
_aNEW DELHI
_c1978
300 _c1238P
650 _aPHYSICS
942 _cBK
999 _c97721
_d97721