Sai, Serguei. Russian verb morphology: Some theoretical considerations in comparison with speech errors data. In: Jussi Niemi & Janne Heikkinen (eds.). Nordic and Baltic morphology: Papers from A NorFA Course, Tartu, June 2000 [Studies in Languages, 36]. Joensuu: Joensuun yliopistopaino, 2001. P. 88–98.