%0 Journal Article %A V. G. Turaev %T Multiplace generalizations of the Seifert form of a~classical knot %J Sbornik. Mathematics %D 1983 %P 335-361 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1983_44_3_a6/ %G en %F SM_1983_44_3_a6