TY  - JOUR
AU  - E. K. Makarov
TI  - On a criterion for joint behavior of higher sigma exponents of a triangular system and the system of its diagonal approximation
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 910
EP  - 911
VL  - 27
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_5_a24/
LA  - ru
ID  - DE_1991_27_5_a24
ER  -