TY - JOUR AU - A. D. Myshkis TI - A theorem from the theory of dynamical systems JO - Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta PY - 1950 SP - 129 EP - 130 VL - 146 IS - 146 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZMU_1950_146_146_a6/ LA - ru ID - UZMU_1950_146_146_a6 ER -