%0 Journal Article %T Summaries of articles published in this issue %J Czechoslovak Mathematical Journal %D 1977 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101458/ %R 10.21136/CMJ.1977.101458 %G en %F 10_21136_CMJ_1977_101458