@article{10_4153_CMB_1972_075_3,
     author = {Thompson, D. V.},
     title = {Discontinuity {Conditions} on {Transformation} {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {417--419},
     year = {1972},
     volume = {15},
     number = {3},
     doi = {10.4153/CMB-1972-075-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-075-3/}
}