TY  - JOUR
AU  - Skula, Ladislav
TI  - Prime elements in the semigroup of finite types of partially ordered sets in cardinal multiplication
JO  - Archivum mathematicum
PY  - 1968
SP  - 97
EP  - 101
VL  - 04
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1968__4_2_a2/
LA  - en
ID  - ARM_1968__4_2_a2
ER  -