TY  - JOUR
AU  - Čulík, Karel
TI  - Some theorems on labelled bracketings used in transformational grammars
JO  - Kybernetika
PY  - 1968
SP  - 87
EP  - 92
VL  - 4
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/KYB_1968_4_2_a0/
LA  - en
ID  - KYB_1968_4_2_a0
ER  -