%0 Journal Article %A A. LeClair %T Affine lie algebras in massive field theory and form factors from vertex operators %J Teoretičeskaâ i matematičeskaâ fizika %D 1994 %P 430-441 %V 98 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1994_98_3_a11/ %G ru %F TMF_1994_98_3_a11