%0 Journal Article
%A N. A. Vavilov
%A V. A. Petrov
%T Variations on a theme of Higman
%J Zapiski Nauchnykh Seminarov POMI
%D 2002
%P 57-62
%V 289
%U http://geodesic.mathdoc.fr/item/ZNSL_2002_289_a2/
%G ru
%F ZNSL_2002_289_a2