000 00385nam a2200181Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
082 _a510
100 _aAyres F. Jr.
245 0 _aDifferential equations
260 _aNULL
260 _bMcgraw Hill Book Co.
260 _c1972
300 _a295p.
365 _b286
650 _aMATHEMATICS
942 _cDBK
999 _c25502
_d25502