- Simple semirings with right multiplicatively absorbing elements2020 | Faculty of Mathematics and Physics
- Simple semirings with left multiplicatively absorbing elements2015 | Faculty of Mathematics and Physics
- Congruence-simple multiplicatively idempotent semirings2023 | Faculty of Mathematics and Physics
- Congruence-simple semirings without nilpotent elements +12023 | Faculty of Mathematics and Physics
- Characteristic semimodules2017 | Faculty of Mathematics and Physics
- CRITICAL SEMIMODULES2017 | Faculty of Mathematics and Physics