@article{AL_2003_42_5_a3,
     author = {A. S. Kondrat'ev and V. D. Mazurov},
     title = {2-Signalizers of {Finite} {Simple} {Groups}},
     journal = {Algebra i logika},
     pages = {594--623},
     year = {2003},
     volume = {42},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2003_42_5_a3/}
}