@article{VMUMM_2002_5_a12,
     author = {P. A. Borodin},
     title = {Approximation properties of subspaces in spaces of type $\mathbf{c}$},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {54--58},
     year = {2002},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2002_5_a12/}
}