%0 Journal Article %A Fabian, Václav %T Structural relation %J Czechoslovak Mathematical Journal %D 1954 %P 354-363 %V 04 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1954.100122/ %R 10.21136/CMJ.1954.100122 %G en %F 10_21136_CMJ_1954_100122