@article{MO_2007_1_a7,
     author = {Yu. A. Neretin},
     title = {Education and {{\textquotedblleft}Snowball"} {Technology}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {45--48},
     year = {2007},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2007_1_a7/}
}