@article{10_1017_S0017089500003517, author = {Kyle, J.}, title = {Ranges of {Lyapunov} {Transformations} for operator algebras}, journal = {Glasgow mathematical journal}, pages = {129--134}, year = {1978}, volume = {19}, number = {2}, doi = {10.1017/S0017089500003517}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003517/} }