TY  - JOUR
AU  - V. V. Fedorchuk
TI  - Multivalued retractions and characterizations of $n$-soft mappings
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 1988
SP  - 169
EP  - 207
VL  - 51
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_1988_51_a4/
LA  - ru
ID  - MMO_1988_51_a4
ER  -