@article{CMUC_1990__31_4_a1,
     author = {Trlifaj, Jan},
     title = {Von {Neumann} regular rings and the {Whitehead} property of modules},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {621--625},
     publisher = {mathdoc},
     volume = {31},
     number = {4},
     year = {1990},
     mrnumber = {1091359},
     zbl = {0728.16005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1990__31_4_a1/}
}