@article{10_4153_CJM_1970_105_7,
     author = {Timourian, J. G.},
     title = {Maps with {Locally} {Flat} {Singular} {Sets}},
     journal = {Canadian journal of mathematics},
     pages = {916--921},
     year = {1970},
     volume = {22},
     number = {5},
     doi = {10.4153/CJM-1970-105-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-105-7/}
}