000 00437nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a517.38 W1
100 _a"Webster, Arthur Gordon"
245 0 _aPartial Differential Equations of Mathematical Physics
250 _a\\195500ENGGPSX
260 _aDover
260 _b1955
260 _cNewyork
300 _avii+440 p
500 _aincludes index and biblioraphy
942 _cBK
999 _c8557
_d8557