@article{UZKU_2019_161_2_a5,
     author = {R. R. Enikeev},
     title = {Real number approximation by a rational number in the approximating $k$-ary algorithm},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {250--262},
     publisher = {mathdoc},
     volume = {161},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2019_161_2_a5/}
}