URN:NBN:SI:doc-RQQNJSRI1992Vencelj, Marijadocuments/doc/R/URN_NBN_SI_doc-RQQNJSRI_001.pdfdocuments/doc/R/URN_NBN_SI_doc-RQQNJSRI_001.txt1945articlestr. 213str. 2930351-66524979545URN:NBN:SI:doc-RQQNJSRIslvDruštvo matematikov, fizikov in astronomov SlovenijePresekInCgeometrijageometryMatematikamathematicspentagonpetkotnik