@article{SMJ2_2011_37_2_a1,
     author = {Barraa, Mohamed},
     title = {Generalized {Derivations} and {Norm} {Equality} in {Normed} {Ideals}},
     journal = {Serdica Mathematical Journal},
     pages = {107--112},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2011_37_2_a1/}
}