000 00225nam a2200085 4500
080 _a517.9
_bAGN.60
245 _aDifferential equations. Ed - 2
100 _aAgnew, Ralph palmer
260 _aNew York
_bMcGraw-Hill Book Company,Inc.
_c1960
300 _aix+485p
999 _c23779
_d23779