@article{SIGMA_2011_7_a42,
     author = {Andrei A. Malykh and Mikhail B. Sheftel},
     title = {Recursions of {Symmetry} {Orbits} and {Reduction} without {Reduction}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a42/}
}