%0 Journal Article
%A Tkačenko, Michael G.
%T Sum theorems for the tightness and $\pi$-character in the class of compact spaces
%J Commentationes Mathematicae Universitatis Carolinae
%D 1983
%P 51-62
%V 24
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1983__24_1_a4/
%G en
%F CMUC_1983__24_1_a4