TY  - JOUR
AU  - F. Zh. Sadyrbaev
TI  - Ljapunov functions and the solvability of the first boundary value problem for an ordinary second-order differential equation
JO  - Differencialʹnye uravneniâ
PY  - 1980
SP  - 629
EP  - 634
VL  - 16
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1980_16_4_a4/
LA  - ru
ID  - DE_1980_16_4_a4
ER  -