- Fractional coloring of planar graphs of girth five2020 | Faculty of Mathematics and Physics
- Fractional colorings of cubic graphs with large girth2011 | Faculty of Mathematics and Physics
- Fractional coloring of triangle-free planar graphs2015 | Faculty of Mathematics and Physics
- The last fraction of a fractional conjecture2010 | Faculty of Mathematics and Physics
- Extending fractional precolorings2012 | Faculty of Mathematics and Physics
- Fractional total colourings of graphs of high girth2011 | Faculty of Mathematics and Physics