%0 Journal Article %A O. V. Efimovskaya %A V. V. Sokolov %T Decompositions of the loop algebra over $\mathrm{so}(4)$ and integrable models of the chiral equation type %J Fundamentalʹnaâ i prikladnaâ matematika %D 2004 %P 39-47 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2004_10_1_a4/ %G ru %F FPM_2004_10_1_a4