000 00298nam a22001337a 4500
008 170811b xxu||||| |||| 00| 0 eng d
020 _a013254127
041 _aeng
080 _a51
100 _a36
101 _aMAT
245 _aELEMENTARY DIFFERENTIAL EQUATIONS
_cEDWARTS,CH
942 _2udc
_cBK
999 _c23219
_d23219