%0 Journal Article %A O. V. Sipacheva %T Lindel\"of $\Sigma$-spaces of functions and the Suslin number %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1988 %P 18-21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1988_3_a4/ %G ru %F VMUMM_1988_3_a4