%0 Journal Article %A Yu. T. Lisitsa %T Extension of sequences of mappings that approximate a given compactum %J Doklady Akademii Nauk %D 1973 %P 806-809 %V 212 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_212_4_a6/ %G ru %F DAN_1973_212_4_a6