Volume 234, Issue 1, October 2018

This issue is a translation of Ukrains’kiĭ Matematychnyĭ Visnyk (Ukrainian Mathematical Bulletin) Vol. 14, No. 4, 2017. International Editorial Board of Ukrains’kiĭ Matematychnyĭ Visnyk: M. Atiyah, B. Bojarski, A. Friedman, O. Martio, L. Nirenberg, A. Samoilenko (Editor-in-Chief)

ISSN: 1072-3374 (Print) 1573-8795 (Online)