TY  - JOUR
AU  - P. M. Tishin
TI  - Criterion for the stability of the partial indices of a circular matrix function
JO  - Matematičeskie zametki
PY  - 1988
SP  - 536
EP  - 545
VL  - 44
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1988_44_4_a12/
LA  - ru
ID  - MZM_1988_44_4_a12
ER  -