%0 Journal Article %A Mohammad Zarrin %T On the norm of the centralizers of a group %J Colloquium Mathematicum %D 2017 %P 87-91 %V 149 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm6965-8-2016/ %R 10.4064/cm6965-8-2016 %G en %F 10_4064_cm6965_8_2016