@article{CRMATH_2008__346_5-6_283_0,
     author = {Costanzino, Nicola},
     title = {Existence of topologically cylindrical shocks},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {283--286},
     publisher = {Elsevier},
     volume = {346},
     number = {5-6},
     year = {2008},
     doi = {10.1016/j.crma.2008.01.003},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2008.01.003/}
}