01117nas a2200289 i 450099100260343970753620231109124954.0011205m19939999 || | |eng 0354-5180b11682516-39ule_instPERLE003624ExLCDU 51FilomatFilomat /University of Nis, Faculty of Philosophy. Department of Mathematics. - 1993-Nis,1993-Accesso elettronico: LE013 2014- LE013 1993-2013;University of Nis :Faculty of Philosophy :Department of MathematicsFilomatZbornik Radova Filozofskog Fakulteta u Nisu. Serija Matematikahttp://journal.pmf.ni.ac.rs/filomat/index.php/filomat/issue/archiveE-journal (Available from 2014- on Publisher Site).b1168251628-02-1908-07-02991002603439707536LE0131le013-E0.00-no 180000.i1191091408-07-02Filomat892322UNISALENTOle01301-01-01sa -engxx 01