@article{CMUC_1968_9_1_a3,
     author = {Dlab, Vlastimil},
     title = {The structure of torsion-free rings {(Preliminary} communication)},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {41--46},
     year = {1968},
     volume = {9},
     number = {1},
     mrnumber = {0231861},
     zbl = {0169.05002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1968_9_1_a3/}
}