TY  - JOUR
AU  - F. G. Maksudov
AU  - Z. I. Ismailov
TI  - Normal boundary value problems for a first-order differential
JO  - Doklady Akademii Nauk
PY  - 1996
SP  - 19
EP  - 21
VL  - 350
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1996_350_1_a4/
LA  - ru
ID  - DAN_1996_350_1_a4
ER  -