@article{VMUMM_2001_4_a10,
     author = {O. N. Kosukhin},
     title = {Approximation properties of the most simple fractions},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {54--59},
     publisher = {mathdoc},
     number = {4},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2001_4_a10/}
}