@article{MAN_1975__214_162694,
     author = {K.R. Goodearl},
     title = {Simple {Regular} {Rings} and {Rank} {Functions.}},
     journal = {Mathematische Annalen},
     pages = {267--287},
     year = {1975},
     volume = {214},
     zbl = {0285.16008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1975__214_162694/}
}