@article{VMUMM_1997_6_a5,
     author = {V. V. Ostrik},
     title = {On a conjecture of {Thompson}},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {21--24},
     year = {1997},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1997_6_a5/}
}