%0 Journal Article %A Kadlec, Jan %T On a domain of the type $\frak P$ %J Czechoslovak Mathematical Journal %D 1966 %P 247-259 %V 16 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1966.100727/ %R 10.21136/CMJ.1966.100727 %G en %F 10_21136_CMJ_1966_100727