机构:
USSR, Ural Branch AS, Inst Math & Mech, S Kovalevskaja St 16, Ekaterinburg 620219, RussiaUSSR, Ural Branch AS, Inst Math & Mech, S Kovalevskaja St 16, Ekaterinburg 620219, Russia
机构:
Tokyo Univ Sci, Dept Math Informat Sci, Shinjuku Ku, Tokyo 1628601, JapanMaebashi Inst Technol, Dept Integrated Design Engn, Maebashi, Gunma 3710816, Japan