TY  - JOUR
AU  - Thierfelder, Jörg
TI  - Separation theorems for sets in product spaces and equivalent assertions
JO  - Kybernetika
PY  - 1991
SP  - 522
EP  - 534
VL  - 27
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KYB_1991__27_6_a3/
LA  - en
ID  - KYB_1991__27_6_a3
ER  -