000 00318nam a2200121Ia 4500
100 _aAyres, Frank
020 _a07-002654-8
942 _cBK
245 _aSchaum's outline of theory and problems of differential equations
260 _aMcGraw-hill book company, New York
_c1952
082 _a515.35 Ayr
300 _a296p
999 _c40675
_d40675