000 00334nam a22001217a 4500
999 _c2790
_d2790
008 161122b xxu||||| |||| 00| 0 eng d
082 _a515.35
100 _aAyres, Frank
245 _aSchaum's outline of theory and problems of differential equations
260 _aNew York
_bSchaum Pub.
_cc1952
300 _a296 p. :
942 _2ddc
_cBK