%0 Journal Article %A I. V. Cherednik %T On the finite-zonal solutions to the duality equation over $\mathrm{S}^4$ and two-dimensional relativistically invariant systems %J Doklady Akademii Nauk %D 1979 %P 575-578 %V 246 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_246_3_a16/ %G ru %F DAN_1979_246_3_a16