%0 Journal Article
%A L. O. Chekhov
%T Nonlinear $\sigma$ model in the case of $N\times\alpha N$ rectangular matrices in two-dimensional Euclidean space
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1985
%P 367-376
%V 63
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1985_63_3_a4/
%G ru
%F TMF_1985_63_3_a4