Volume 239, Issue 2

This issue is a translation of Problemy Matematicheskogo Analiza (Problems in Mathematical Analysis), No. 96, February 2019. Editorial Board of PMA: N. Uraltseva (Main Editor), N. Ivochkina, A. Laptev, B. Makarov, V. Maz’ya, V. Osmolovskii, B. Plamenevskii, G. Rozenblyum, D. Yafaev. Translated into English and edited by Tamara Rozhkovskaya. This issue presents contributions of participants of the 6th International conference “Nonlinear Analysis and Extremal Problems”, Irkutsk, Russia, June 25-30, 2018. Invited Editor: A. A. Tolstonogov