Affiliation: | (1) Faculty of Computational Mathematics and Computer Science, Nizhni Novgorod State University, pr. Gagarina 23, Nizhni Novgorod, 603600, Russia;(2) Research Institute of Applied Mathematics and Mechanics, Nizhni Novgorod State University, ul. Ul’yanova 10, Nizhni Novgorod, 603005, Russia;(3) Departament de Matematica Aplicada 1, Universitat politècnica de Catalunya, Diagonal 647, Barcelona, Spain |