TY - JOUR AU - S. A. Kaschenko TI - Complex periodic solutions of a system of differential-difference JO - Doklady Akademii Nauk PY - 1989 SP - 35 EP - 38 VL - 306 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_306_1_a6/ LA - ru ID - DAN_1989_306_1_a6 ER -