@article{SIGMA_2013_9_a4,
     author = {John Alexander Cruz Morales and Sergey Galkin},
     title = {Upper {Bounds} for {Mutations} of {Potentials}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2013},
     volume = {9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a4/}
}