TY  - JOUR
AU  - G. S. Litvinchuk
TI  - On the index and normal solvability of a class of functional equations
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 1029
EP  - 1032
VL  - 149
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_149_5_a6/
LA  - ru
ID  - DAN_1963_149_5_a6
ER  -