%0 Journal Article %A S. L. Krushkal' %T The Carath\'eodory metric on the universal Teichm\"uller space, and the quasiconformal extendibility of analytic functions %J Doklady Akademii Nauk %D 1983 %P 1052-1055 %V 272 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_272_5_a5/ %G ru %F DAN_1983_272_5_a5