%0 Journal Article %A D. Auckly %A L. Kapitanski %A J. M. Speight %T Geometry and analysis in nonlinear sigma models %J Algebra i analiz %D 2006 %P 3-33 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2006_18_1_a0/ %G ru %F AA_2006_18_1_a0