%0 Journal Article %A A. O. Ivanov %A I. M. Nikonov %A A. A. Tuzhilin %T Sets admitting connection by graphs of finite length %J Sbornik. Mathematics %D 2005 %P 845-884 %V 196 %N 6 %U http://geodesic.mathdoc.fr/item/SM_2005_196_6_a3/ %G en %F SM_2005_196_6_a3