%0 Journal Article %A P. A. Borodin %T Approximation properties of subspaces in spaces of type $\mathbf{c}$ %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2002 %P 54-58 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2002_5_a12/ %G ru %F VMUMM_2002_5_a12