@article{CRMATH_2014__352_3_219_0,
     author = {Rosario Antonio Leo and Gabriele Sicuro and Piergiulio Tempesta},
     title = {A theorem on the existence of symmetries of fractional {PDEs}},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {219--222},
     publisher = {Elsevier},
     volume = {352},
     number = {3},
     year = {2014},
     doi = {10.1016/j.crma.2013.11.007},
     language = {en},
}