Volume 249, Issue 5
September 2020This issue is a translation of Ukrains’kiĭ Matematychnyĭ Visnyk (Ukrainian Mathematical Bulletin) Vol. 17, No. 2, 2020. International Editorial Board of Ukrains’kiĭ Matematychnyĭ Visnyk: M. Atiyah (deceased), B. Bojarski (deceased), A. Friedman, O. Martio, L. Nirenberg, A. Samoilenko (Editor-in-Chief).
8 articles in this issue