TY  - JOUR
AU  - Růžička, Milan
TI  - Formalized models of ontological systems
JO  - Kybernetika
PY  - 1982
SP  - 545
EP  - 554
VL  - 18
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KYB_1982__18_6_a5/
LA  - en
ID  - KYB_1982__18_6_a5
ER  -