%0 Journal Article %A Volodymyr B. Taranov %T Symmetry Extensions and Their Physical Reasons in the Kinetic and Hydrodynamic Plasma Models %J Symmetry, integrability and geometry: methods and applications %D 2008 %V 4 %U http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a5/ %G en %F SIGMA_2008_4_a5