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Volume 190, Issue 4
April 2013This issue is a translation of UkrainsâkiÄ MatematychnyÄ Visnyk (Ukrainian Mathematical Bulletin) Vol. 9, No. 4, 2012. International Editorial Board of UkrainsâkiÄ MatematychnyÄ Visnyk: M. Atiyah, B. Bojarski, A. Friedman, O. Martio, L. Nirenberg, A. Samoilenko (Editor-in-Chief).
8 articles in this issue