1. Minimal union-free decompositions of regular languages;Afonin,2009
2. The Diophantine Frobenius Problem;Ramírez Alfonsín,2005
3. Regular Expression Techniques for Sequential Circuits;Brzozowski,1962
4. Most complex deterministic union-free regular languages;Brzozowski,2018
5. State complexity of regular languages: finite versus infinite;Câmpeanu,2000