000 003080000a22001450004500
003 MACL
040 _aMACL
090 _c33120
_d33118
100 _aGupta, B D
245 _aMathematical Physicas
260 _bVikash Publishing House
_c1993
350 _a345
650 _aPhysics
942 _cBOOK
_k530/Gup
999 _c32778
_d32778