TY  - JOUR
AU  - I. I. Martynov
TI  - Sufficient conditions for the regularity and reducibility of systems close to periodic ones
JO  - Differencialʹnye uravneniâ
PY  - 1968
SP  - 370
EP  - 374
VL  - 4
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1968_4_2_a19/
LA  - ru
ID  - DE_1968_4_2_a19
ER  -