000 00306nam a2200109Ia 45e0
008 181001s1969 xx 000 0 und d
100 _aMurphy G.M
245 0 _aDifferential equations & Their solutions
260 _bVan Nostrand
_c1969
300 _a451
942 _2ddc
_cBK
999 _c1586
_d1586