SOFSEM 2007: theory and practice of computer science : 33rd Conference on current trends in theory and practice of computer science, Harrachov, Czech Republic, January 20-26, 2007: proceedings / ed. J. Leeuwen [et al.], 2007 r=on-line. - Текст : электронный.
SOFSEM 2010: theory and practice of computer science : 36th conference on current trends in theory and practice of computer science, Spindleruv Mlyn, Czech Republic, January 23-29, 2010: proceedings / SpringerLink (Online service), 2010 r=on-line. - Текст : электронный.