@article{10_4064_cm_10_2_331_343,
     author = {J. Kisy\'nski},
     title = {Sur les \'equations hyperboliques avec petit param\`etre},
     journal = {Colloquium Mathematicum},
     pages = {331--343},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {1963},
     doi = {10.4064/cm-10-2-331-343},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-10-2-331-343/}
}