%0 Journal Article %A D. D. Tskhakaya (Jr.) %T Integrability conditions for equations that describe the interaction of~colliding wave packets of~different polarizations in~nonlinear optics %J Teoretičeskaâ i matematičeskaâ fizika %D 1989 %P 154-157 %V 81 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1989_81_1_a13/ %G ru %F TMF_1989_81_1_a13