000 00325nam a2200121 4500
008 160616s 000 0
245 _aTheory of differential equations. Vol.3 and 4
100 _aForsyth, Andrew Rusell
500 _aB33 J9.1-J9.6
650 _aDifferential Equations
942 _cBK
_2BK1076
080 _a517.9 FOR
999 _c1076
_d1076