%0 Journal Article
%A M. V. Karasev
%T Hidden symmetry of a system of equations of nonlinear optics. Hysteresis
%J Doklady Akademii Nauk
%D 1986
%P 852-856
%V 286
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1986_286_4_a18/
%G ru
%F DAN_1986_286_4_a18