%0 Journal Article %A Thompson, D. V. %T Discontinuity Conditions on Transformation Groups %J Canadian mathematical bulletin %D 1972 %P 417-419 %V 15 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-075-3/ %R 10.4153/CMB-1972-075-3 %F 10_4153_CMB_1972_075_3