@article{FPM_2015_20_5_a7,
     author = {V. A. Kolpakova and A. S. Kondrat'ev},
     title = {On finite nonsolvable $5$-primary groups with disconnected {Gruenberg--Kegel} graph such that $\bigl|\pi\bigl(G / F(G)\bigr)\bigr| \le 4$},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {69--87},
     publisher = {mathdoc},
     volume = {20},
     number = {5},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2015_20_5_a7/}
}