Volume 190, Issue 2, April 2013

This issue is a translation of Sovremennaya Matematika. Fundamental’nye Napravleniya (Contemporary Mathematics. Fundamental Directions), Vol. 40, Theory of Functions, 2011.

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

Prior to Volume 68 (1994), this journal was published as Journal of Soviet Mathematics.