%0 Journal Article
%A A. I. Budkin
%T On~filters in the lattice of quasivarieties of groups
%J Izvestiya. Mathematics 
%D 1989
%P 201-207
%V 33
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1989_33_1_a8/
%G en
%F IM2_1989_33_1_a8