@article{SIGMA_2008_4_a5,
     author = {Volodymyr B. Taranov},
     title = {Symmetry {Extensions} and {Their} {Physical} {Reasons} in the {Kinetic} and {Hydrodynamic} {Plasma} {Models}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2008},
     volume = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a5/}
}