000 00309 a2200121 4500
080 _a517.91
_bC 768
245 1 _aContribution to differential equations
_bVol. 3
260 _aNew York
_bIntersciesnce Publishers
_c1964
650 _aDifferential Equations
100 _a
_d
300 _a435 p.
901 _a111128
999 _c25032
_d25032