TY - JOUR AU - È. A. Kuz'min AU - V. V. Ilyukhin AU - N. V. Belov TI - Theorem of isolation of the basic system from a vectorial one according to $n$-multiplicity peak (general case, Fedorov's $P1$ group) JO - Doklady Akademii Nauk PY - 1970 SP - 831 EP - 833 VL - 195 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_195_4_a20/ LA - ru ID - DAN_1970_195_4_a20 ER -