%0 Journal Article %A A. V. Arkhangel'skii %T Bicompacta, and unions of countable families of metrizable spaces %J Doklady Akademii Nauk %D 1977 %P 989-992 %V 232 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_232_5_a1/ %G ru %F DAN_1977_232_5_a1