%0 Journal Article %A Bourne, Samuel %T On r*-Invariant Measure on a Locally Compact Semigroup with Recurrence %J Canadian mathematical bulletin %D 1980 %P 237-239 %V 23 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-032-x/ %R 10.4153/CMB-1980-032-x %F 10_4153_CMB_1980_032_x