@article{SEMR_2005_2_a31,
     author = {A. A. Kuznetsov},
     title = {On the definability of the group $L_2(7)$ by its spectrum},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {250--252},
     publisher = {mathdoc},
     volume = {2},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2005_2_a31/}
}