Tran The VinhVarbanets, Pavlo D.Варбанець, Павло ДмитровичВарбанец, Павел Дмитриевич2012-10-022012-10-022012-09S.n.https://dspace.onu.edu.ua/handle/123456789/2594International conference dedicated to the 120-th anniversary of Stefan Banach (2012; Lviv). Abstracts of reports, 17-21 Sept. 2012 / Ivan Franko National Univ. at al. – Lviv: S.n., 2012. – 290 p.enArticle