000			00387nam a2200157Ia 4500
008			180710s9999 xx 000 0 und d
020			_a124691
082			_a530.15 _bGUP
100			_aGUPTA, B. D.
245			_aMathematical physics
250			_a2nd ed., rev.
260			_aNew Delhi _bVikas pub. _c1993
300			_axv, varied pages.
650			_aPhysics-Mathematics
942			_cR
999			_c71035 _d71035