TY - JOUR AU - A. M. Kerbelev TI - Frequency criteria for the robustness of nonlinear systems with JO - Doklady Akademii Nauk PY - 1995 SP - 749 EP - 752 VL - 341 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1995_341_6_a6/ LA - ru ID - DAN_1995_341_6_a6 ER -