TY - JOUR AU - A. V. Dvorak TI - The conditional stability of an invariant torus of a dynamical system JO - Differencialʹnye uravneniâ PY - 1976 SP - 1410 EP - 1416 VL - 12 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_8_a4/ LA - ru ID - DE_1976_12_8_a4 ER -