%0 Journal Article %A I. V. Cherednik %T Relativistically invariant quasiclassical limits of integrable two-dimensional quantum models %J Teoretičeskaâ i matematičeskaâ fizika %D 1981 %P 225-229 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1981_47_2_a7/ %G ru %F TMF_1981_47_2_a7