%0 Journal Article %A Almazar, VittorioD. %A Cossey, John %T Automorphisms fixing subnormalsubgroups of polycyclic groups %J Glasgow mathematical journal %D 1999 %P 379-384 %V 41 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089599000439/ %R 10.1017/S0017089599000439 %F 10_1017_S0017089599000439