000			00329nam a2200133Ia 4500
005			20260205040619.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a517.38 L263O
100			_aLANGER R E
245		0	_aFIRST COURSE IN ORDINARY DIFFERENTIAL EQUATIONS
260			_aN.Y. _bWILEY _c1954
300			_a249
942			_cBK
999			_c9012 _d9012