@article{AL_2007_46_1_a0,
     author = {V. A. Belonogov},
     title = {Irreducible characters with equal roots in the groups $S_n$ and~$A_n$},
     journal = {Algebra i logika},
     pages = {3--25},
     publisher = {mathdoc},
     volume = {46},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2007_46_1_a0/}
}