@article{10_4153_CMB_1982_072_6,
     author = {Cowling, V. F. and King, J. P.},
     title = {Detection of {Singular} {Points}},
     journal = {Canadian mathematical bulletin},
     pages = {496--497},
     year = {1982},
     volume = {25},
     number = {4},
     doi = {10.4153/CMB-1982-072-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1982-072-6/}
}