000			00480nam a2200169Ia 4500
008			161214s9999 xx 000 0 und d
020			_a0673985547 _c(hbk)
082			_223 _a515.35 _bDER
100			_aDerrick, William R.
245		0	_aElementary differential equations
250			_a4th ed.
260			_aReading: _bPearson Education, _c1997
300			_a404 p.; _bIllus. Index.: _c26 cm.
650			_aDifferential equations
700			_aGrossman, Stenley I.
942			_2ddc _cBK
999			_c3382 _d3382