TY - JOUR AU - Bourne, Samuel TI - On r*-Invariant Measure on a Locally Compact Semigroup with Recurrence JO - Canadian mathematical bulletin PY - 1980 SP - 237 EP - 239 VL - 23 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-032-x/ DO - 10.4153/CMB-1980-032-x ID - 10_4153_CMB_1980_032_x ER -