@article{10_21136_CMJ_1991_102430,
     author = {Huylebrouck, Dirk},
     title = {Equivalence of von {Neumann} regular and idempotent matrices},
     journal = {Czechoslovak Mathematical Journal},
     pages = {44--50},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {1991},
     doi = {10.21136/CMJ.1991.102430},
     mrnumber = {1087620},
     zbl = {0801.15003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102430/}
}