000			00464 a2200181 4500
999			_c37216 _d38763
003			ISURa
008			160201b xxu||||| |||| 00| 0 eng d
020			_a0521205832
041			_aEnglish
082			_a515.35 _bCOP
100			_aCopson, E.T. _98987
245			_aPartial differential equations
260			_c1975 _aNew Delhi _bS.Chand _g1989
300			_bill. _c22 cm. _avii, 280 p.
650			_aANALYSIS _9612
650			_aMATHEMATICS _98988
942			_cLN _2ddc