TY  - JOUR
AU  - L. O. Chekhov
TI  - Nonlinear $\sigma$ model in the case of $N\times\alpha N$ rectangular matrices in two-dimensional Euclidean space
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1985
SP  - 367
EP  - 376
VL  - 63
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1985_63_3_a4/
LA  - ru
ID  - TMF_1985_63_3_a4
ER  -