Affiliation: | 1. Department of Science, Shahreza Campus, University of Isfahan, Iran;2. Normandie Univ, UNICAEN, CNRS, LMNO, 14000 Caen, France;1. Institute for Information Transmission Problems (Kharkevich Institute), Moscow, Russia;2. National Research University Higher School of Economics, Moscow, Russia;3. Department of Mathematics, Indiana University, Rawles Hall, 831 East 3rd Street, Bloomington, IN 47405, USA |