%0 Journal Article %A A. V. Ivanov %T Superextensions of metrizable continua and of the generalized Cantor discontinuum %J Doklady Akademii Nauk %D 1980 %P 279-281 %V 254 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_254_2_a4/ %G ru %F DAN_1980_254_2_a4