@article{BGUMI_2019_2_a1,
     author = {A. V. Martsinkevich},
     title = {Quasinormal {Fitting} classes of finite groups},
     journal = {Journal of the Belarusian State University. Mathematics and Informatics},
     pages = {18--26},
     publisher = {mathdoc},
     volume = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/BGUMI_2019_2_a1/}
}