%0 Journal Article %A Kyle, J. %T Ranges of Lyapunov transformations for Hilbert space %J Glasgow mathematical journal %D 1978 %P 99-101 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003438/ %R 10.1017/S0017089500003438 %F 10_1017_S0017089500003438