000			00392nam a2200133Ia 4500
008			210917s9999 xx 000 0 und d
082			_a515.35 .B1
100			_aBetounes, David
245		0	_aDifferential Equations
260			_aBelgin
260			_b Springer
260			_c2010
942			_cCD
999			_c152764 _d152764