The journal Trudy Instituta Matematiki i Mekhaniki (Trudy IMM) [Proceedings of the Institute of Mathematics and Mechanics] publishes original papers of theoretical nature in mathematics and mechanics. The periodical is intended for researchers, post-graduates, and students specializing in these fields and their applications. The journal Trudy Instituta Matematiki i Mekhaniki is published since 1992. Since 1997, every annual volume comprises 4 issues consisting of 300-320 pages each. The issues are published in Russian, two issues every half-year. Since 2000, some of the papers have been translated into English and published by MAIK Nauka/Interperiodica as the Supplement to Proceedings of the Steklov Institute of Mathematics.Subscription index of the journal is 81999 in the Newspapers. Journals Catalog of the Russian Post; the subject rubric in the catalog is Publications of the Russian Academy of Sciences.The journal is abstracted and indexed in Mathematical Reviews (since 2013) and the Russian Science Citation Index on the Web of Science platform (since 2015).The journals DOI is 10.21538/0134-4889.Contact informationAddress:Editorial Office of the journal Trudy IMM, Institute of Mathematics and Mechanics, ul. S.Kovalevskoi 16, Yekaterinburg, 620990 RussiaPhone: +7 343 375-34-58Email: trudy@imm.uran.ruAdvisory Board Editor in Chief: Berdyshev V.I. (RAS Academian, Prof., Dr. Phys.-Math. Sci., Ekaterinburg) Deputy Editor: Kabanov V.V. (Prof., Dr. Phys.-Math. Sci., Ekaterinburg) Scientific Editors: Ageev A.L. (Dr. Phys.-Math. Sci., Ekaterinburg) Danilin A.R. (Prof., Dr. Phys.-Math. Sci., Ekaterinburg)Executive Secretary: Kamneva L.V. (Cand. Phys.-Math. Sci., Ekaterinburg)Editorial Board: Andreianov B.P. (Prof., Dr. Phys.-Math. Sci., France) Aseev S.M. (RAS Corresponding Member, Prof., Dr. Phys.-Math. Sci., Moscow) Babenko A.G. (Dr. Phys.-Math. Sci., Ekaterinburg) Chentsov A.G. (RAS Corresponding Member, Prof., Dr. Phys.-Math. Sci., Ekaterinburg) Chikrii A.A. (Corresponding Member of NAS of Ukraine, Prof., Dr. Phys.-Math. Sci., Ukraine) Gimadi E.Kh. (Prof., Dr. Phys.-Math. Sci., Novosibirsk) Gomoyunov M.I. (Cand. Phys.-Math. Sci., Ekaterinburg) Guo Wenbin (Dr. Phys.-Math. Sci., China) Guseinov Kh.G. (Prof., Dr. Phys.-Math. Sci., Turkey) Gusev M.I. (Dr. Phys.-Math. Sci., Ekaterinburg) Kel’manov A.V. (Prof., Dr. Phys.-Math. Sci., Novosibirsk) Khachay M.Yu. (Prof., Dr. Phys.-Math. Sci., Ekaterinburg) Kondratev A.S. (Prof., Dr. Phys.-Math. Sci., Ekaterinburg) Krejčí P. (Prof., Dr. Phys.-Math. Sci., Czech Republic) Matveev S.V. (RAS Academian, Prof., Dr. Phys.-Math. Sci., Chelyabinsk) Mazurov V.D. (RAS Corresponding Member, Prof., Dr. Phys.-Math. Sci., Novosibirsk) Mednykh A.D. (Prof., Dr. Phys.-Math. Sci., Novosibirsk) Monakhov V.S. (Prof., Dr. Phys.-Math. Sci., Belarus) Panin I.A. (RAS Corresponding Member, Prof., Dr. Phys.-Math. Sci., St.Petersburg) Panov E. Yu. (Prof., Dr. Phys.-Math. Sci., Veliky Novgorod) Sivergina I.F. (Dr. Phys.-Math. Sci., USA) Suprunenko I.D. (Dr. Phys.-Math. Sci., Belarus) Vasilev A.V. (Prof., Dr. Phys.-Math. Sci., Novosibirsk)