TY - JOUR AU - O. V. Efimovskaya AU - V. V. Sokolov TI - Decompositions of the loop algebra over $\mathrm{so}(4)$ and integrable models of the chiral equation type JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2004 SP - 39 EP - 47 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2004_10_1_a4/ LA - ru ID - FPM_2004_10_1_a4 ER -