%0 Journal Article %A Sentilles, F. Dennis %T Semigroups of Operators in C(S) %J Canadian journal of mathematics %D 1970 %P 47-54 %V 22 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-006-8/ %R 10.4153/CJM-1970-006-8 %F 10_4153_CJM_1970_006_8