Institution: | 1. Faculty of Technical Sciences, Institute of Mechanics, University of Novi Sad, Trg D. Obradovi?a 6, 21000 Novi Sad, Serbia;2. Institute of Mathematics, Serbian Academy of Arts and Sciences, Kneza Mihaila 36, 11000 Belgrade, Serbia;3. Faculty of Sciences, Department of Mathematics and Informatics, University of Novi Sad, Trg D. Obradovi?a 4, 21000 Novi Sad, Serbia |