Proceedings of the Institute of Mathematics and mechanics. Ural branch of the Russian Academy of Sciences; trudy Instituta Matematiki i Mekhaniki UrO RAN - Osipov, Jurij Sergeevič 1936-; Berdyšev, Vitalij Ivanovič; Danilin, A. R. (MAIK Nauka/Interperiodica, 2007)