Po povodu dostovernosti odnogo pis'ennogo istočnika po istorii Ol'vii serediny 2 v. (SHA, Ant. Pius, 9,9). On the reliability of a written source concerning the history of Olbia (SHA, Ant. Pius, 9,9). - Zubar', Vitalij Michajlovič 1950-2009 (1993)