000			00276nam a22001217a 4500
008			181218b xxu||||| |||| 00| 0 eng d
041			_aeng
080			_a510
100			_a37
101			_aMAT
245			_aElementary Differential Equations _cWilliam.e.b
942			_2udc _cBK
999			_c53438 _d53438