000			00324nam a2200133Ia 4500
005			20260205040149.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a517.38 K29E
100			_aKELLS LYMAN M
245		0	_aELEMENTARY DIFFERENTIAL EQUATIONS
260			_aLOND. _bMCGRAW-HILL _c1954
300			_a266
942			_cBK
999			_c1058 _d1058