%0 Journal Article
%A D. G. Khramtsov
%T On the fundamental group of a 3-manifold
%J Algebra i logika
%D 1990
%P 345-349
%V 29
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1990_29_3_a5/
%G ru
%F AL_1990_29_3_a5