%0 Journal Article %A Atsufumi Honda %T Duality of singularities for flat surfaces in Euclidean space %J Journal of Singularities %D 2020 %P 132-148 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5427/jsing.2020.21h/ %R 10.5427/jsing.2020.21h %F 10_5427_jsing_2020_21h