@article{AIHPC_2009__26_3_1021_0,
     author = {Nolen, James and Ryzhik, Lenya},
     title = {Traveling {Waves} in a {One-Dimensional} {Heterogeneous} {Medium}},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1021--1047},
     publisher = {Elsevier},
     volume = {26},
     number = {3},
     year = {2009},
     doi = {10.1016/j.anihpc.2009.02.003},
     mrnumber = {2526414},
     zbl = {1178.35205},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2009.02.003/}
}