000 00321 a2200133 4500
080 _a517.9
_bF 699 D
245 1 _aDifferential equations
_cby L.R. Ford
250 _a2nd edn.
260 _aNew York
_bMcGraw Hill
_c1955
650 _aDifferential Equations
100 1 _aFord, L.R.
_d
300 _a292 p.
901 _a96508
999 _c25022
_d25022