@article{MZM_1983_34_5_a5,
     author = {L. P. Vlasov},
     title = {Boundary of the unit ball and approximation by elements of subspaces of finite codimension in~$C(Q)$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {699--710},
     publisher = {mathdoc},
     volume = {34},
     number = {5},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1983_34_5_a5/}
}