%0 Journal Article %A Wehrfritz, B. A. F. %T On the Fixed-Point Set and Commutator Subgroup of an Automorphism of a Group of Finite Rank %J Rendiconti del Seminario Matematico della Università di Padova %D 2012 %P 249-256 %V 127 %I Seminario Matematico of the University of Padua %U http://archive.numdam.org/item/RSMUP_2012__127__249_0/ %G en %F RSMUP_2012__127__249_0