TY  - JOUR
AU  - Vlk, Tomáš
TI  - Semantic analysis of topic and focus
JO  - Kybernetika
PY  - 1989
SP  - 523
EP  - 532
VL  - 25
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KYB_1989__25_6_a9/
LA  - en
ID  - KYB_1989__25_6_a9
ER  -