¹Sobolev Institute of Mathematics SB RAS 630090, Novosibirsk, Acad. Koptyug prosp., 4, Russia; e-mail: evrom@math.nsc.ru²Trofimuk Institute of Petroleum Geology and Geophysics SB RAS 630090, Novosibirsk, Acad. Koptyug prosp., 3, Russia; e-mail: lysev@ipgg.sbras.ru
¹Trofimuk Institute of Petroleum Geology and Geophysics SB RAS 630090, Novosibirsk, Acad. Koptyug prosp., 3, Russia; e-mail: KolyukhinDR @ipgg.sbras.ru ²Uni CIPR, P.O. Box 7810, N-5020, Bergen, Norway; e-mail: jan.tveranger@uni.no
¹Lomonosov Moscow State University 119991, Moscow, Leninskiye Gory, 1, Russia, e-mail: v.a.levin@mail.ru, versh1984@mail.ru ² National Research Nuclear University MEPhI 115409, Moscow, Kashirskoe highway, 31, Russia; e-mail: Zingerman@rambler.ru
¹Sobolev Institute of Geology and Mineralogy SB RAS 630090, Novosibirsk, Acad. Koptyug prosp., 3, Russia; e-mail: perep@sibmail.ru ²Sobolev Institute of Mathematics SB RAS 630090, Novosibirsk, Acad. Koptyug prosp., 4, Russia; e-mail: evrom@math.nsc.ru ³Novosibirsk State University 630090, Novosibirsk, Pirogova st., 2, Russia ⁴Institute of Computational Mathematics and Mathematical Geophysics SB RAS 630090, Novosibirsk, Acad. Lavrentiev prosp., 6, Russia; e-mail: kgv@nmsf.sscc.ru