000 00282nam a2200121Ia 4500
008 170101s1959 xx 000 0 und d
082 _a517.38 F68T
100 _aFORSYTH, A.R
245 0 _aTheory of differential equations
260 _bN.Y
_c1959
300 _a6v
942 _2ddc
_cB
999 _c12555
_d12555