Avdeyev A. Yu., Kozhukhov I.B.: Acts Over Completely O-Simple Semigroups 523
L. Aszalós: The Logic of Knights, Knaves, Normals and Mutes 533
István Babcsányi: Equivalence of Mealy and Moore Automata 541
Luitpold Babel, Gerhard J. Woeginger: Pseudo-Hamiltonian Graphs 553
Judit Csima: Two remarks on variants of simple eco-grammar systems 569
Igor Dolinka: On Kleene Algebras of Ternary Co-Relations 583
Juha Honkala: Results concerning EOL and COL power series 597
B. Imreh, M. Ito, A. Pukler: On commutative asynchronous nondeterministic automata 607
Jouni Järvinen: Difference Functions of Dependence Spaces 619
Miklós Bartha, Miklós Krész: Elementary decomposition of soliton automata 631
Alexander Meduna, Dusan Kolar: Regulated Pushdown Automata 653
