000 00442 a2200169 4500
999 _c35865
_d37412
003 ISURa
008 170425b xxu||||| |||| 00| 0 eng d
020 _a8121914698
041 _aEnglish
082 _a530.1
_bDAS
100 _aDass , H. K.
_936813
245 _aMathematical Physics
260 _c1999
_aNew Delhi
_bS.Chand and company LTD
_g1999
300 _bill.
_c20 cm.
_axiv , 1098 p.
650 _aPHYSICS
_938865
942 _cSR
_2ddc