TY - JOUR AU - I. G. Egorov TI - On the stability in the large of the zero solution of a system of two differential equations JO - Differencialʹnye uravneniâ PY - 1991 SP - 1544 EP - 1550 VL - 27 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1991_27_9_a8/ LA - ru ID - DE_1991_27_9_a8 ER -