Volume 228, Issue 4

This issue is a translation of Sibirskii Zhurnal Chistoi i Prikladnoi Matematiki (Siberian Journal of Pure and Applied Mathematics) edited by Sergey S. Goncharov, Vol. 16, No. 1-2, 2016. Translated into English and edited by Tamara Rozhkovskaya (rozhk@math.nsc.ru)