Finally, after a compulsory service in the Soviet Army, he graduated Faculty of Physics in Taras Shevchenko National University of Kyiv in 1977.

Then he worked almost ten years in the Soviet North Caucasus in Kabardino-Balkar ASSR.

Bilyk was ordained as priest on 14 October 1978, after completing clandestine theological studies.

Then he continued his studies, after liberty of the Ukrainian Catholics in the Pontifical University of St. Thomas Aquinas in Rome.

[1] He served as priest clandestinely in time of persecution and after this, during 1990–1994 was the Rector of the new-revived Theological Academy in Ivano-Frankivsk.