%0 Journal Article %A A.G.R. STEWART %T On Centre-extended-by-metabelian Groups. %J Mathematische Annalen %D 1970 %P 285-302 %V 185 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1970__185_161959/ %F MAN_1970__185_161959