%0 Journal Article
%A Kijonka, Václav
%T On relations between $f$-density and $(R)$-density
%J Communications in Mathematics
%D 2007
%P 15-20
%V 15
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/COMIM_2007__15_1_a2/
%G en
%F COMIM_2007__15_1_a2