000			00382nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a621 _bAY-T
100			_aAyres,Frank Jr
245		0	_aTheory and problem of differential equations
250			_a1st . Ed.
260			_c1981 _aNew York _bTata McGraw Hill Education Limited
650			_aMathematics
942			_cBK
999			_c537 _d537