TY - JOUR AU - M. M. Simkin TI - The physical nature of steady motions in non-linear pulse systems JO - Doklady Akademii Nauk PY - 1964 SP - 1284 EP - 1286 VL - 159 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_159_6_a23/ LA - ru ID - DAN_1964_159_6_a23 ER -