TY  - JOUR
AU  - A. V. Arutyunov
TI  - On the theory of quadratic mappings in Banach spaces
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 1290
EP  - 1292
VL  - 314
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_314_6_a1/
LA  - ru
ID  - DAN_1990_314_6_a1
ER  -