@article{10_21136_CMJ_1969_100896,
     author = {Dlab, Vlastimil},
     title = {Matrix representation of torsion-free rings},
     journal = {Czechoslovak Mathematical Journal},
     pages = {284--298},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1969},
     doi = {10.21136/CMJ.1969.100896},
     mrnumber = {0245612},
     zbl = {0182.36902},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1969.100896/}
}