Siberian Journal of Pure and Applied Mathematics
(aka Sibirskii Zhirnal Chistoi i Prikladnoi Matematiki)
Formerly
Vestnik Novosibirskogo Gosudarstvennogo Universiteta. Seriya Matematika, Mekhanika, Informatika. Translated to English in
Journal of Mathematical Sciences.
mathnet.ru
from 10(2010) [free except the last issues]
elibrary.ru
from 6(2006) [free]
as of Apr 24 2016, impossible to download without entering data in a
broken and brain-damaged "registration system"