@article{VMUMM_1987_3_a7,
     author = {S. V. Shpectorov},
     title = {Geometric characterization of the groups $A_7$, $L_2(11)$ and $L_2(25)$},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {35--36},
     publisher = {mathdoc},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1987_3_a7/}
}