TY  - JOUR
AU  - E. L. Tonkov
TI  - The linear problem on the optimal control of periodic solutions
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 1007
EP  - 1011
VL  - 12
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_6_a6/
LA  - ru
ID  - DE_1976_12_6_a6
ER  -