@article{ADM_2006_3_a4,
     author = {Wenbin Guo and Xi Liu and Baojun Li},
     title = {On $\mathfrak{F}$-radicals of finite $\pi$-soluble groups},
     journal = {Algebra and discrete mathematics},
     pages = {49--54},
     publisher = {mathdoc},
     number = {3},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2006_3_a4/}
}