%0 Journal Article
%A Akiyama, Jin
%A Exoo, Geoffrey
%A Harary, Frank
%T Covering and packing in graphs. III: Cyclic and acyclic invariants
%J Mathematica slovaca
%D 1980
%P 405-417
%V 30
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MASLO_1980__30_4_a9/
%G en
%F MASLO_1980__30_4_a9