@article{CRMATH_2017__355_9_1022_0,
     author = {Fathi, Albert},
     title = {On maps which are the identity on the boundary},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {1022--1025},
     publisher = {Elsevier},
     volume = {355},
     number = {9},
     year = {2017},
     doi = {10.1016/j.crma.2017.08.001},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2017.08.001/}
}