TY  - JOUR
AU  - Shishkov, Ivailo
TI  - $\Sigma$-products and selections of set-valued mappings
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 2001
SP  - 203
EP  - 207
VL  - 42
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_2001__42_1_a15/
LA  - en
ID  - CMUC_2001__42_1_a15
ER  -