@article{EXMATH_1989__4_3_38325,
     author = {Antonio Vera L\'opez and Lourdes Ortiz de Elguea},
     title = {Hall pi-subgroups and conjugacy classes},
     journal = {Extracta Mathematicae},
     pages = {136},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {1989},
     zbl = {0703.20018},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/EXMATH_1989__4_3_38325/}
}