%0 Journal Article %A S. V. Chervon %A Yu. A. Svistunova %T Spherically-symmetric non-linear sigma model: the exact solutions obtained with isometrical embedding method %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2011 %P 227-234 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2011_2_a27/ %G ru %F VSGTU_2011_2_a27