TY - JOUR AU - Thompson, D. V. TI - Discontinuity Conditions on Transformation Groups JO - Canadian mathematical bulletin PY - 1972 SP - 417 EP - 419 VL - 15 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-075-3/ DO - 10.4153/CMB-1972-075-3 ID - 10_4153_CMB_1972_075_3 ER -