%0 Journal Article %A Chen, Ruifang %A Zhao, Xianhe %T On TI-subgroups and QTI-subgroups of finite groups %J Czechoslovak Mathematical Journal %D 2020 %P 179-185 %V 70 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2019.0203-18/ %R 10.21136/CMJ.2019.0203-18 %G en %F 10_21136_CMJ_2019_0203_18