%0 Journal Article %A ALBRECHT, E. %A VASILESCU, F.-H. %T INVARIANT SUBSPACES FOR SOME FAMILIES OF UNBOUNDED SUBNORMAL OPERATORS %J Glasgow mathematical journal %D 2003 %P 53-67 %V 45 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089502008984/ %R 10.1017/S0017089502008984 %F 10_1017_S0017089502008984