@article{10_4153_CMB_1980_032_x,
     author = {Bourne, Samuel},
     title = {On {r*-Invariant} {Measure} on a {Locally} {Compact} {Semigroup} with {Recurrence}},
     journal = {Canadian mathematical bulletin},
     pages = {237--239},
     year = {1980},
     volume = {23},
     number = {2},
     doi = {10.4153/CMB-1980-032-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-032-x/}
}