TY  - JOUR
AU  - A. Dzhuraev
TI  - On systems of first-order equations of composite type in space
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 11
EP  - 14
VL  - 234
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_234_1_a0/
LA  - ru
ID  - DAN_1977_234_1_a0
ER  -