%0 Journal Article %A A. P. Kopylov %A I. N. Pesin %T Removability of certain sets in the class of three-dimensional quasiconformal mappings %J Matematičeskie zametki %D 1970 %P 717-722 %V 7 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1970_7_6_a7/ %G ru %F MZM_1970_7_6_a7