TY  - JOUR
AU  - Čuda, Karel
TI  - On the adjunction of any semiset to the system of $Sd_V$-classes in AST
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1989
SP  - 775
EP  - 778
VL  - 30
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1989__30_4_a19/
LA  - en
ID  - CMUC_1989__30_4_a19
ER  -