Astakhova, OlenaShyshchak, Olena2020-03-022020-03-022019-02-282019-02-28Astakhova O. Professor Leonid Kvitkovsky – 90th anniversary / Olena Astakhova, Olena Shyshchak // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2019. — Vol 13. — No 1. — P. 129.https://ena.lpnu.ua/handle/ntb/46424129enProfessor Leonid Kvitkovsky – 90th anniversaryArticle© Національний університет „Львівська політехніка“, 2019© Astakhova O., Shyshchak O., 20191Astakhova O. Professor Leonid Kvitkovsky – 90th anniversary / Olena Astakhova, Olena Shyshchak // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2019. — Vol 13. — No 1. — P. 129.