TY  - JOUR
AU  - A. L. Kunitsyn
TI  - The stability in the critical case of pure imaginary roots, with internal resonance
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 1704
EP  - 1706
VL  - 7
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_9_a19/
LA  - ru
ID  - DE_1971_7_9_a19
ER  -