%0 Journal Article
%A V. A. Shlyk
%T Generalized quadrangles, symmetrization and nonunivalent mappings
%J Zapiski Nauchnykh Seminarov POMI
%D 1986
%P 163-174
%V 154
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1986_154_a14/
%G ru
%F ZNSL_1986_154_a14