TY  - JOUR
AU  - V. I. Mironenko
TI  - A functional taking extremal values on periodic solutions of a differential equation
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 1816
EP  - 1818
VL  - 23
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_10_a24/
LA  - ru
ID  - DE_1987_23_10_a24
ER  -