%0 Journal Article %A Yu. V. Ershov %A E. I. Yakovlev %T Realizability of the $H_k$-distance functions by homology classes of path spaces %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2010 %P 18-24 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2010_5_a2/ %G ru %F IVM_2010_5_a2