000 00483nam a2200169Ia 4500
001 42987
003 CONS
008 171214s9999 xx 000 0 eng d
041 0 _aeng
082 0 4 _a517.983
100 1 _aHellwig G.
245 1 0 _aDifferential Operators of Mathematical Physics. An Untroduction
_cHellwig G.
260 _aReading etc.
_bAddison-Wesley Publishing Comp.
_c1964
300 _a296 p.
500 _aTranslated from German by Hellwig B.,Fil kand
942 _2udc
_cBK
999 _c42630
_d42630