URN:NBN:SI:doc-4IUC052A1991documents/doc/4/URN_NBN_SI_doc-4IUC052A_001.pdfdocuments/doc/4/URN_NBN_SI_doc-4IUC052A_001.txt186articlestr. 364-3670351-66526957657URN:NBN:SI:doc-4IUC052AslvDruštvo matematikov, fizikov in astronomov SlovenijePresekInC