@misc{MO_2021_4_a11,
     title = {Current information},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {75},
     year = {2021},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2021_4_a11/}
}