TY  - JOUR
AU  - Yu. Sh. Abramov
TI  - Variational approach to the problem of the control of the spectrum of conservative dynamical systems
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 371
EP  - 375
VL  - 20
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_3_a0/
LA  - ru
ID  - DE_1984_20_3_a0
ER  -