%0 Journal Article %A Busetto, Giorgio %A Napolitani, Franco %T On some questions concerning permutable subgroups of finitely generated groups and projectivities of perfect groups %J Rendiconti del Seminario Matematico della Università di Padova %D 1992 %P 303-305 %V 87 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1992__87__303_0/ %G en %F RSMUP_1992__87__303_0