TY  - JOUR
AU  - Yu. V. Malyshev
TI  - Generalized Ljapunov functions, and the theory of exceptional directions
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 1774
EP  - 1779
VL  - 9
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_10_a3/
LA  - ru
ID  - DE_1973_9_10_a3
ER  -