@misc{MO_1997_2_a9,
     title = {The 9-th {Conference} of the {Tournament} of {Towns}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {113--127},
     year = {1997},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_1997_2_a9/}
}