%0 Journal Article %A Niknam, Assadollah %T Closable derivations of simple C*-algebras %J Glasgow mathematical journal %D 1983 %P 181-183 %V 24 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005267/ %R 10.1017/S0017089500005267 %F 10_1017_S0017089500005267