000 00300nam a2200133Ia 4500
001 18147
008 170722s9999 xx 000 0 und d
100 _aRajput, B. S.
245 _aMathematical physics /
250 _a7,13
260 _c1975,1998.
653 _aMathematical Physics
942 _cGEN
999 _c91618
_d91618