@article{10_21136_CMJ_2021_0395_20,
     author = {Chen, Ruifang and Guo, Lujun},
     title = {On the conjugate type vector and the structure of a normal subgroup},
     journal = {Czechoslovak Mathematical Journal},
     pages = {201--207},
     publisher = {mathdoc},
     volume = {72},
     number = {1},
     year = {2022},
     doi = {10.21136/CMJ.2021.0395-20},
     mrnumber = {4389115},
     zbl = {07511562},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0395-20/}
}