@article{MZM_2014_96_5_a0,
     author = {S. V. Astashkin},
     title = {Approximation of {Subspaces} of {Symmetric} {Spaces} {Generated} by {Independent} {Functions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {643--652},
     publisher = {mathdoc},
     volume = {96},
     number = {5},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2014_96_5_a0/}
}