%0 Journal Article %A Král, Josef %T The Fredholm radius of an operator in potential theory %J Czechoslovak Mathematical Journal %D 1965 %P 454-473 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1965.100686/ %R 10.21136/CMJ.1965.100686 %G en %F 10_21136_CMJ_1965_100686