%0 Journal Article %A Yu. V. Muranov %T Obstructions to surgery of double coverings %J Sbornik. Mathematics %D 1988 %P 339-348 %V 59 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1988_59_2_a4/ %G en %F SM_1988_59_2_a4