000 00285nam a2200109Ia 45e0
008 181001s1967 xx 000 0 und d
100 _aSmith
245 0 _aTheory of partial Differential equations
260 _bLondon D.Van
_c1967
300 _a214
942 _2ddc
_cBK
999 _c2181
_d2181