TY - JOUR AU - È. I. Grudo AU - L. F. Yanchuk TI - On the asymptotic stability of the equilibrium state of Pfaff systems JO - Differencialʹnye uravneniâ PY - 1979 SP - 1891 EP - 1893 VL - 15 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_10_a16/ LA - ru ID - DE_1979_15_10_a16 ER -