@article{10_21136_CMJ_1991_102427,
     author = {Trlifaj, Jan},
     title = {On countable von {Neumann} regular rings},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1--7},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {1991},
     doi = {10.21136/CMJ.1991.102427},
     mrnumber = {1087617},
     zbl = {0790.16011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102427/}
}