@article{1102636494,
author = {Kissin, Edward},
title = {Indices of unbounded derivations of $C^*$-algebras.},
journal = {Pacific J. Math.},
volume = {156},
number = {2},
year = {1992},
pages = { 125-150},
language = {en},
url = {http://dml.mathdoc.fr/item/1102636494}
}
Kissin, Edward. Indices of unbounded derivations of $C^*$-algebras.. Pacific J. Math., Tome 156 (1992) no. 2, pp. 125-150. http://gdmltest.u-ga.fr/item/1102636494/