TY - JOUR AU - G. A. Leonov AU - V. A. Teshev TI - A frequency criterion for the stability of systems of differential equations with hysteresis functions JO - Differencialʹnye uravneniâ PY - 1987 SP - 718 EP - 719 VL - 23 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_4_a21/ LA - ru ID - DE_1987_23_4_a21 ER -