TY  - JOUR
AU  - Tran Duc Van
AU  - Ha Huy Bang
TI  - Solvability of infinite-order nonlinear differential equations in
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 48
EP  - 51
VL  - 305
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_305_1_a11/
LA  - ru
ID  - DAN_1989_305_1_a11
ER  -