@article{10_4153_CJM_1973_121_5,
     author = {Dyer, Eldon and Vasquez, A. T.},
     title = {The {Sphericity} of {Higher} {Dimensional} {Knots}},
     journal = {Canadian journal of mathematics},
     pages = {1132--1136},
     year = {1973},
     volume = {25},
     number = {6},
     doi = {10.4153/CJM-1973-121-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-121-5/}
}