%0 Journal Article
%A Sun, Shu Hao
%A Choo, Koo Guan
%T Some new cardinal inequalities involving a cardinal function less than the spread and the density
%J Commentationes Mathematicae Universitatis Carolinae
%D 1990
%P 395-401
%V 31
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1990__31_2_a22/
%G en
%F CMUC_1990__31_2_a22