%0 Journal Article
%A V. N. Sachkov
%T Asymptotics of the number of $t$-minimal coverings of a~set
%J Diskretnaya Matematika
%D 1993
%P 36-44
%V 5
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_1993_5_1_a1/
%G ru
%F DM_1993_5_1_a1