Volume 213, Issue 5

This issue is a translation of Zapiski Nauchnykh Seminarov Sankt-Peterburgskogo Otdeleniya Matematicheskogo Instituta im. V. A. Steklova Rossiiskoi Akademii Nauk (Notes of Scientific Seminars of the St. Petersburg Department of the Steklov Mathematical Institute, Russian Academy of Sciences), Vol. 433, 2015. This issue is entitled Questions of Quantum Field Theory and Statistical Physics, Part 23, and is edited by N. M. Bogoliubov and E. V. Damaskinsky.