%0 Journal Article %A Renat Zhdanov %T On a Lie Group Characterization of Quasi-Local Symmetries of Nonlinear Evolution Equations %J Journal of Lie Theory %D 2010 %P 375-392 %V 20 %N 2 %U http://geodesic.mathdoc.fr/item/JOLT_2010_20_2_a7/ %F JOLT_2010_20_2_a7