@article{CRMATH_2004__338_1_23_0,
     author = {Van Schaftingen, Jean},
     title = {A simple proof of an inequality of {Bourgain,} {Brezis} and {Mironescu}},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {23--26},
     publisher = {Elsevier},
     volume = {338},
     number = {1},
     year = {2004},
     doi = {10.1016/j.crma.2003.10.036},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2003.10.036/}
}