000			00363nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a621 _bDU-P
100			_aDuchatean A
245		0	_aPartial differential equations
250			_a1st Ed.
260			_c1986 _aNew York _bTata McGraw Hill Education Limited
650			_aMathematics
942			_cBK
999			_c536 _d536