TY  - JOUR
AU  - Yu. G. Borisovich
TI  - Topological characteristics of infinite-dimensional mappings and the solvability of nonlinear boundary value problems
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1992
SP  - 42
EP  - 48
VL  - 193
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_1992_193_a8/
LA  - ru
ID  - TM_1992_193_a8
ER  -