Computing Weak Periods of Partial Words. - Francine Blanchet-Sadri; Taktin Oey; Timothy D. Rankin (AFL, 2008)

Fine and Wilf's Theorem for Partial Words with Arbitrarily Many Weak Periods. - Francine Blanchet-Sadri; Taktin Oey; Timothy D. Rankin (Int. J. Found. Comput. Sci., 2010)