URN:NBN:SI:doc-DN30G1RG2009Šega, Gregordocuments/doc/D/URN_NBN_SI_doc-DN30G1RG_001.pdfdocuments/doc/D/URN_NBN_SI_doc-DN30G1RG_001.txt256articlestr. 72-780473-746615163993URN:NBN:SI:doc-DN30G1RGslvDruštvo matematikov, fizikov in astronomov SlovenijeObzornik za matematiko in fizikoInCBlagoevgradinternational competitionsmatematikamathematicsmednarodna tekmovanjastudents of mathematicsštudenti matematike