TY  - JOUR
AU  - Shekhter, B. L.
TI  - On singular boundary value problems for two-dimensional differential systems
JO  - Archivum mathematicum
PY  - 1983
SP  - 19
EP  - 41
VL  - 19
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1983__19_1_a2/
LA  - en
ID  - ARM_1983__19_1_a2
ER  -