@article{TIMM_2012_18_3_a4,
     author = {V. A. Belonogov},
     title = {On the conjecture about semiproportional characters in the groups~$\mathrm{Sp}_4(q)$},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {30--46},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2012_18_3_a4/}
}