@article{10_4153_CJM_2015_011_5,
     author = {Martins, Luciana de F\'atima and Saji, Kentaro},
     title = {Geometric {Invariants} of {Cuspidal} {Edges}},
     journal = {Canadian journal of mathematics},
     pages = {445--462},
     year = {2016},
     volume = {68},
     number = {2},
     doi = {10.4153/CJM-2015-011-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2015-011-5/}
}