Contribution to deterministic top-down analysis of context-free languages Karel Čulík II — 1968 Kybernetika
Loops in automata and HDTOL relations Karel Culik II; Juhani Karhumäki — 1990 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
On the Ehrenfeucht conjecture for DOL languages Karel Ii Culik; Juhani Karhumäki — 1983 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Systolic tree acceptors Karel Ii Culik; Arto Salomaa; Derick Wood — 1984 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications