TY  - JOUR
AU  - È. I. Grudo
TI  - A formula for periodic solutions of a linear nonhomogeneous differential system with a Jordan cell
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 521
EP  - 523
VL  - 25
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_3_a17/
LA  - ru
ID  - DE_1989_25_3_a17
ER  -