%0 Journal Article
%A Li, Jinjin
%A Lin, Shou
%T $k$-systems, $k$-networks and $k$-covers
%J Czechoslovak Mathematical Journal
%D 2006
%P 239-245
%V 56
%N 1
%I mathdoc
%U https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_1_a13/
%G en
%F CMJ_2006__56_1_a13