%0 Journal Article %A Izidor Hafner %T Slovenian Competitions in Logic %J Review of the National Center for Digitization %D 2012 %P 85 - 88 %V 20 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/NCD_2012_20_1_a10/ %F NCD_2012_20_1_a10