TY - JOUR AU - S. K. Persidskii TI - Some theorems on Ljapunov's second method JO - Differencialʹnye uravneniâ PY - 1969 SP - 678 EP - 687 VL - 5 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1969_5_4_a7/ LA - ru ID - DE_1969_5_4_a7 ER -