TY - JOUR AU - A. Kh. Gelig TI - The stability of relay systems JO - Differencialʹnye uravneniâ PY - 1972 SP - 1684 EP - 1686 VL - 8 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1972_8_9_a16/ LA - ru ID - DE_1972_8_9_a16 ER -