%0 Journal Article %A V. G. Turaev %T Euler structures, nonsingular vector fields, and torsions of Reidemeister type %J Izvestiya. Mathematics %D 1990 %P 627-662 %V 34 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1990_34_3_a5/ %G en %F IM2_1990_34_3_a5