@misc{MO_2019_92_4_a7,
     title = {Current information},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {76},
     publisher = {mathdoc},
     volume = {92},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2019_92_4_a7/}
}