000 00307nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aDurf (G.F.C) and Naylor (Derek).
245 0 _aDifferential equations of applied mathematics
260 _bW.I.E
260 _c1966
365 _b2687.1
942 _cBK
999 _c209147
_d209147