%0 Journal Article %A I. V. Abramov %A E. A. Roganov %T Quasiconformal homotopies of elementary space mappings %J Sbornik. Mathematics %D 1991 %P 205-212 %V 68 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1991_68_1_a10/ %G en %F SM_1991_68_1_a10