Institution: | 1.MINES Saint-Etienne, CNRS, UMR 5307 LGF, Centre SPIN, 158 cours Fauriel, SAINT-ETIENNE Cedex 2, 42023, France ;2.Faculty of Science, Dept. of Mathematics, Ru?era Bo?kovi?a 33, University of Split, 21000, Split, Croatia ;3.Faculty of Electrical Engineering, Dept. of Mathematics Technická 2, Czech Technical University in Prague, 16627, Prague 6, Czech Republic ;4.Faculty of Mathematics and Physics, Dept. of Mathematics Education Sokolovská 83, Charles University, 18675, Prague 8, Czech Republic ;5.Faculty of Chemical Engineering, Dept. of Mathematics Technická 6, University of Chemistry and Technology Prague, 16627, Prague 6, Czech Republic ; |