TY  - JOUR
AU  - A. V. Kostin
AU  - I. E. Vitrichenko
TI  - Generalization of Ljapunov's stability theorem in the case of one zero characteristic exponent for nonautonomous systems
JO  - Doklady Akademii Nauk
PY  - 1982
SP  - 819
EP  - 822
VL  - 264
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1982_264_4_a11/
LA  - ru
ID  - DAN_1982_264_4_a11
ER  -