000			00292nam a22001337a 4500
003			SGT
082			_aBIS 515
100			_aBISWAL,PURNACHANDRA
245			_aPARTIAL DIFFERENTIAL EQUATIONS
260			_aNEW DELHI _bPHI _c2015
300			_a259
650			_aMATHEMATICS
942			_2ddc _cFPS _01
999			_c10109 _d10109