000			00307nam a2200133Ia 4500
008			210901s2004 xx 000 0 eng d
082			_a530.51 DAS
100			_aH.K.Dass
245		0	_aMathematical physics
260			_aNew Delhi _bS.Chand _c2004
300			_a1134
650			_aPhysics
942			_2ddc _cBK
999			_c25521 _d25521