Affiliation: | 1. Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences, 4 Acad. Koptyug Avenue, 630090 Novosibirsk, Russia;2. Department of Applied Mathematics, University Ca’ Foscari of Venice, Dorsoduro 3825/E, 30123 Venezia, Italy;3. Department of Business and Management Studies, University Ca’ Foscari of Venice, Cannaregio 873, 30121 Venezia, Italy |