TY  - JOUR
AU  - E. A. Barabanov
TI  - Necessary conditions for the simultaneous behavior of higher sigma-exponents of a triangular system and systems of its diagonal approximation
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 1662
EP  - 1670
VL  - 25
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_10_a1/
LA  - ru
ID  - DE_1989_25_10_a1
ER  -