TY - JOUR AU - B. Madison AU - J. Stepp TI - Inversion and joint continuity in semigroups on kw-spaces. JO - Semigroup forum PY - 1977 SP - 195 EP - 198 VL - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1977__15_134252/ ID - SF_1977__15_134252 ER -