Grynyshyn, OlegShyshchak, Olena2016-06-132016-06-132016Grynyshyn O. Professor Michael Bratychak – 70th anniversary / Oleg Grynyshyn, Olena Shyshchak // Chemistry & Chemical Technology. – 2016. – Vol. 10, number 1. – P. I–II.https://ena.lpnu.ua/handle/ntb/33173enArticle