Voloshchuk, Myroslav. “The Court of Rostyslav Mykhailovych, Prince and Dominus of Machou, in Hungary (An Excerpt from a Family History Between the Late 13th and Mid 14th Centuries) ”. Journal of Vasyl Stefanyk Precarpathian National University, vol. 7, no. 2, Nov. 2020, pp. 42-50, doi:10.15330/jpnu.7.2.42-50.