%0 Journal Article
%A O. V. Kulikova
%T On relatively aspherical presentations and their central extensions
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 2005
%P 115-125
%V 11
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_2005_11_2_a7/
%G ru
%F FPM_2005_11_2_a7