00714nam0-22002531i-450-990001265770403321000126577FED01000126577(Aleph)000126577FED0100012657720000920d1980----km-y0itay50------baengIntegral operators in potential theoryde KralBerlin [etc.]Springer-Verlag1980Lecture Notes in Mathematics823Kral,Josef48353ITUNINARICAUNIMARCBK990001265770403321C-20-(82320091MA1MA1Integral operators in potential theory262700UNINAING01