@article{CRMATH_2014__352_12_1017_0,
     author = {Barthe, Franck and Wolff, Pawe{\l}},
     title = {Positivity improvement and {Gaussian} kernels},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {1017--1021},
     publisher = {Elsevier},
     volume = {352},
     number = {12},
     year = {2014},
     doi = {10.1016/j.crma.2014.09.016},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2014.09.016/}
}