1. Department of Mathematical Analysis and Applications of Mathematics, Faculty of SciencePalacký University Olomouc Olomouc Czech Republic
2. MOX (Laboratory for Modeling and Scientific Computing), Department of MathematicsPolitecnico di Milano Milan Italy
3. Department of Statistical SciencesUniversità Cattolica del Sacro Cuore Milan Italy
4. Department of Geoinformatics, Faculty of SciencePalacký University Olomouc Olomouc Czech Republic