@article{10_4153_CMB_1990_066_2,
     author = {Exel, Ruy},
     title = {Hankel {Matrices} {Over} {Right} {Ordered} {Amenable} {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {404--415},
     year = {1990},
     volume = {33},
     number = {4},
     doi = {10.4153/CMB-1990-066-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-066-2/}
}