%0 Journal Article %A Izidor Hafner %A Tomislav Zitko %T Four Problems on Dodecahedron %J Visual Mathematics %D 2003 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VM_2003_5_3_a0/ %F VM_2003_5_3_a0