%0 Journal Article
%A Zelinka, Bohdan
%T Some inequalities concerning $\Pi$-isomorphisms
%J Časopis pro pěstování matematiky
%D 1965
%P 474-476
%V 090
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1965.108645/
%R 10.21136/CPM.1965.108645
%G en
%F 10_21136_CPM_1965_108645