Institution: | 1.Department of Mathematics, Stockholm University, Roslagsvägen 101, 10691, Stockholm, Sweden ;2.Department of Statistics, University of Augsburg, Universitaetsstrasse 16, 86159, Augsburg, Germany ;3.Department of Economic and Mathematical Modelling, Kyiv National Economic University, Peremoga Avenue 54/1, Kiev, 03680, Ukraine ;4.Department of Programming, Ivan Franko Lviv National University, Universytetska str. 1, Lviv, 79000, Ukraine ; |