@article{SIGMA_2005_1_a8,
     author = {Renat Zhdanov and Victor Lahno},
     title = {Group {Classification} of the {General} {Evolution} {Equation:} {Local} and {Quasilocal} {Symmetries}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2005},
     volume = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2005_1_a8/}
}