- Constraints: from Sudoku to space applications2007 | Faculty of Mathematics and Physics
- DIVISION SUDOKUS: INVARIANTS, ENUMERATION, AND MULTIPLE PARTITIONS2020 | Faculty of Mathematics and Physics
- Extreme nonassociativity in order nine and beyond2020 | Faculty of Mathematics and Physics
- New results on deterministic sgraffito automata2013 | Faculty of Mathematics and Physics
- Two-dimensional Sgraffito automata2014 | Faculty of Mathematics and Physics