%0 Journal Article
%A Z. I. Borevich
%A N. A. Vavilov
%T On definition of the net subgroup
%J Zapiski Nauchnykh Seminarov POMI
%D 1983
%P 26-33
%V 132
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1983_132_a3/
%G ru
%F ZNSL_1983_132_a3