Fete of combinatorics and computer science [Electronic resource] / ed. G. O. Katona [et al.]. - Electronic text data. - Berlin ; Heidelberg : János Bolyai Mathematical Society: Springer, 2010. - (Bolyai society mathematical studies, ISSN 1217-4696 ; 20). - ISBN 978-3-642-13580-4 : Б. ц.