On Nondeterminism in Programmed Grammars. - Alexander Meduna; Lukás Vrábel; Petr Zemek (AFL, 2011)

An Infinite Hierarchy of Language Families Resulting from Stateless Pushdown Automata with Limited Pushdown Alphabets. - Alexander Meduna; Lukás Vrábel; Petr Zemek (DCFS, 2012)

Solutions to four open problems concerning controlled pure grammar systems. - Alexander Meduna; Lukás Vrábel; Petr Zemek (Int. J. Comput. Math., 2014)

Prediction of Real Estate Prices in California. - Lukás Vrábel (ITAT, 2019)