@article{10_4153_CMB_1976_004_x,
     author = {Burke, John L.},
     title = {On the {Property} {(PU)} for {*-Regular} {Rank} {Rings}},
     journal = {Canadian mathematical bulletin},
     pages = {21--38},
     year = {1976},
     volume = {19},
     number = {1},
     doi = {10.4153/CMB-1976-004-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1976-004-x/}
}