TY - JOUR AU - Jr., Francis T. Christoph TI - Ideal Extensions of Topological Semigroups JO - Canadian journal of mathematics PY - 1970 SP - 1168 EP - 1175 VL - 22 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-134-0/ DO - 10.4153/CJM-1970-134-0 ID - 10_4153_CJM_1970_134_0 ER -