@article{CRMATH_2009__347_1-2_49_0,
     author = {Gourdin, Daniel and Gramchev, Todor},
     title = {Global {Cauchy} problems for hyperbolic systems with characteristics admitting superlinear growth for $ |x|\to \infty $},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {49--54},
     publisher = {Elsevier},
     volume = {347},
     number = {1-2},
     year = {2009},
     doi = {10.1016/j.crma.2008.11.009},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.crma.2008.11.009/}
}