TY  - JOUR
AU  - A. A. Davydov
TI  - Normal form of a differential equation, not solvable for the derivative, in a neighborhood of a singular point
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1985
SP  - 1
EP  - 10
VL  - 19
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1985_19_2_a0/
LA  - ru
ID  - FAA_1985_19_2_a0
ER  -