%0 Journal Article
%A A. A. Klyachko
%T Free subgroups of one-relator relative presentations
%J Algebra i logika
%D 2007
%P 290-298
%V 46
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2007_46_3_a1/
%G ru
%F AL_2007_46_3_a1