@misc{MP_1998_a14,
     title = {{\CYRP}{\cyrr}{\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrm}{\cyrm}{\cyra} {<<{\CYRM}{\cyra}{\cyrt}{\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}>>}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {193--215},
     publisher = {mathdoc},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1998_a14/}
}