000 00277nam a2200109Ia 4500
008 250523s9999 xx 000 0 und d
100 _aGupta, B D
245 0 _aMathematical Physics
260 _bVikas Publishing House PVT LTD
_aNew Delhi
650 _aEngineering
942 _cBK
999 _c16151
_d16151