@article{10_5427_jsing_2017_16c,
     author = {Shyuichi Izumiya and Kentaro Saji, and Nobuko Takeuchi},
     title = {Flat surfaces along cuspidal edges},
     journal = {Journal of Singularities},
     pages = {73--100},
     publisher = {mathdoc},
     volume = {16},
     year = {2017},
     doi = {10.5427/jsing.2017.16c},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2017.16c/}
}