TY  - JOUR
AU  - A. A. Irmatov
TI  - Topology of the space of Fredholm operators and invariants of non-linear Fredholm maps
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1990
SP  - 205
EP  - 206
VL  - 45
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1990_45_1_a9/
LA  - en
ID  - RM_1990_45_1_a9
ER  -