%0 Journal Article
%A D. V. Yur'ev
%T Classification of vertex operators in two-dimensional 

%J Teoretičeskaâ i matematičeskaâ fizika
%D 1991
%P 338-343
%V 86
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1991_86_3_a2/
%G ru
%F TMF_1991_86_3_a2