TY  - JOUR
AU  - M. M. Ad'yutov
TI  - An existence theorem for the solution of a boundary value problem for a system of two second-order differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1986
SP  - 1129
EP  - 1134
VL  - 22
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1986_22_7_a2/
LA  - ru
ID  - DE_1986_22_7_a2
ER  -