TY  - JOUR
AU  - Guo, Pengfei
AU  - Liu, Jianjun
TI  - Finite groups whose all proper subgroups are $\mathcal {C}$-groups
JO  - Czechoslovak Mathematical Journal
PY  - 2018
SP  - 513
EP  - 522
VL  - 68
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2017.0542-16/
DO  - 10.21136/CMJ.2017.0542-16
LA  - en
ID  - 10_21136_CMJ_2017_0542_16
ER  -