Classifying All Avoidable Sets of Partial Words of Size Two. - Francine Blanchet-Sadri; Brandon Blakeley; Josh Gunter; Sean Simmons 001; Eric Weissenstein (Scientific Applications of Language Methods, 2010)

On the complexity of deciding avoidability of sets of partial words. - Brandon Blakeley; Francine Blanchet-Sadri; Josh Gunter; Narad Rampersad (Theor. Comput. Sci., 2010)