TY  - JOUR
AU  - A. I. Perov
TI  - A boundary-value problem for a system of two differential equations
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 493
EP  - 496
VL  - 144
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_144_3_a7/
LA  - ru
ID  - DAN_1962_144_3_a7
ER  -