000			00299nam a2200133Ia 4500
008			220613s9999||||xx |||||||||||||| ||und||
100			_aNelson B Conkwright
245		0	_aDifferential Equations
250			_a1934
260			_bTHE MACMILLAN
300			_a234
650			_aMathematics
942			_cGB
999			_c3186 _d3186