%0 Journal Article
%A V. M. Tsvetkov
%T Examples of extensions with Demushkin's group
%J Zapiski Nauchnykh Seminarov POMI
%D 1980
%P 146-149
%V 103
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1980_103_a20/
%G ru
%F ZNSL_1980_103_a20