%0 Journal Article %A M. Sh. Farber %T Linking coefficients and two-dimensional knots %J Doklady Akademii Nauk %D 1975 %P 299-301 %V 222 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_222_2_a9/ %G ru %F DAN_1975_222_2_a9