@article{CMJ_2000__50_1_a19,
     author = {Kusahara, Toshiaki and Usami, Hiroyuki},
     title = {A barrier method for quasilinear ordinary differential equations of the curvature type},
     journal = {Czechoslovak Mathematical Journal},
     pages = {185--196},
     publisher = {mathdoc},
     volume = {50},
     number = {1},
     year = {2000},
     mrnumber = {1745471},
     zbl = {1046.34009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2000__50_1_a19/}
}