@article{CMUC_2006__47_3_a1,
     author = {Bland, Paul E.},
     title = {$f$-derivations on rings and modules},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {379--390},
     publisher = {mathdoc},
     volume = {47},
     number = {3},
     year = {2006},
     mrnumber = {2281001},
     zbl = {1106.16038},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2006__47_3_a1/}
}