TY  - JOUR
AU  - A. N. Leznov
TI  - Equivalence of four-dimensional self-duality equations and the continuum analog of the principal chiral field problem
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1987
SP  - 302
EP  - 307
VL  - 73
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1987_73_2_a12/
LA  - ru
ID  - TMF_1987_73_2_a12
ER  -