TY - JOUR AU - Z. U. Blyagoz AU - V. A. Teshev TI - A frequency criterion for stability in the large of periodic solutions of nonlinear nonautonomous systems JO - Differencialʹnye uravneniâ PY - 1992 SP - 925 EP - 930 VL - 28 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1992_28_6_a1/ LA - ru ID - DE_1992_28_6_a1 ER -