TY  - JOUR
AU  - A. V. Sobolev
AU  - V. I. Sobolev
TI  - On~differentiability of a~Hammerstein operator and on~Hammerstein equations
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1988
SP  - 258
EP  - 259
VL  - 43
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1988_43_5_a30/
LA  - en
ID  - RM_1988_43_5_a30
ER  -