@article{MZM_1990_48_6_a7,
     author = {M. B. Levin},
     title = {Jointly absolutely normal numbers},
     journal = {Matemati\v{c}eskie zametki},
     pages = {61--71},
     publisher = {mathdoc},
     volume = {48},
     number = {6},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1990_48_6_a7/}
}