TY  - JOUR
AU  - M. V. Karasev
TI  - Hidden symmetry of a system of equations of nonlinear optics. Hysteresis
JO  - Doklady Akademii Nauk
PY  - 1986
SP  - 852
EP  - 856
VL  - 286
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1986_286_4_a18/
LA  - ru
ID  - DAN_1986_286_4_a18
ER  -