@article{CRMATH_2011__349_13-14_813_0,
     author = {Panchenko, Dmitry},
     title = {Ghirlanda{\textendash}Guerra identities and ultrametricity: {An} elementary proof in the discrete case},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {813--816},
     publisher = {Elsevier},
     volume = {349},
     number = {13-14},
     year = {2011},
     doi = {10.1016/j.crma.2011.06.021},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.crma.2011.06.021/}
}