%0 Journal Article %A Shyuichi Izumiya %A Kentaro Saji, %A Nobuko Takeuchi %T Flat surfaces along cuspidal edges %J Journal of Singularities %D 2017 %P 73-100 %V 16 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5427/jsing.2017.16c/ %R 10.5427/jsing.2017.16c %F 10_5427_jsing_2017_16c