Кияк, С. “Bishop Hryhoriy Khomyshyn and Problems the Liturgical Identity the Ukrainian Greek Catholicisм”. Good Parson: Scientific Bulletin of Ivano-Frankivsk Academy of John Chrysostom. Theology. Philosophy. History, no. 10-11, Dec. 2017, pp. 103-12, http://journal.ifaiz.edu.ua/index.php/gp/article/view/127.