@article{SIGMA_2006_2_a64,
     author = {Vladimir Dorodnitsyn},
     title = {On the {Linearization} of {Second-Order} {Differential} and {Difference} {Equations}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2006},
     volume = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a64/}
}