@article{MO_2023_4_a4,
     author = {A. Sablin},
     title = {On real numbers},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {50--53},
     year = {2023},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2023_4_a4/}
}