Câmpeanu C, Moreira N, Reis R. The Distinguishability Operation on Regular Languages. In: Non-Classical Models of Automata and Applications (NCMA 2014).; 2014. Edit

Câmpeanu C, Moreira N, Reis R. On the Dissimilarity Operation on Finite Languages. In: Bordihn H, Freund R, Nagy B, Vaszil G, editors. Eighth Workshop on Non-Classical Models of Automata and Applications (NCMA 2016). Österreichische Computer Gesellschaft; 2016. 1. p. 105-120p. Edit

Câmpeanu C, Moreira N, Reis R. Distinguishability Operations and Closures. Fundamenta Informaticae. 2016;148:243-266.Edit