@article{MZM_2006_80_5_a1,
     author = {P. A. Borodin},
     title = {On the existence of an element with given deviations from an expanding system of subspaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {657--667},
     publisher = {mathdoc},
     volume = {80},
     number = {5},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_80_5_a1/}
}