TY  - JOUR
AU  - Yu. A. Klokov
TI  - Uniqueness of the solution of boundary value problems for systems of two first order differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1972
SP  - 1377
EP  - 1385
VL  - 8
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1972_8_8_a5/
LA  - ru
ID  - DE_1972_8_8_a5
ER  -