TY - JOUR AU - D. D. Tskhakaya (Jr.) TI - Integrability conditions for equations that describe the interaction of~colliding wave packets of~different polarizations in~nonlinear optics JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1989 SP - 154 EP - 157 VL - 81 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1989_81_1_a13/ LA - ru ID - TMF_1989_81_1_a13 ER -