@article{10_1090_S0894_0347_04_00459_X,
     author = {Artstein, Shiri and Ball, Keith and Barthe, Franck and Naor, Assaf},
     title = {Solution of {Shannon\^a€™s} problem on the monotonicity of entropy},
     journal = {Journal of the American Mathematical Society},
     pages = {975--982},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {2004},
     doi = {10.1090/S0894-0347-04-00459-X},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-04-00459-X/}
}