@article{M2AN_1967__1_4_51_0,
     author = {Girault, V.},
     title = {R\'esolution num\'erique d'une \'equation des ondes avec condition aux limites non lin\'eaire par une m\'ethode de caract\'eristiques},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {51--62},
     publisher = {Dunod},
     address = {Paris},
     volume = {1},
     number = {4},
     year = {1967},
     zbl = {0153.18303},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1967__1_4_51_0/}
}