@article{SIGMA_2011_7_a96,
     author = {Decio Levi and Pavel Winternitz and Ravil I. Yamilov},
     title = {Symmetries of the {Continuous} and {Discrete} {Krichever{\textendash}Novikov} {Equation}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a96/}
}