%0 Journal Article %A G. L. Rybnikov %T Tensor invariants of the Lie algebra $sl_2(\mathbb{C}[t])$ and fundamental representation of the Lie algebra $\widehat{sp}_{2m}$ %J Zapiski Nauchnykh Seminarov POMI %D 1989 %P 137-144 %V 172 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1989_172_a12/ %G ru %F ZNSL_1989_172_a12