@article{CMUC_1988_29_2_a11,
     author = {Tineo, Antonio},
     title = {Existence of solutions for a class of boundary value problems for the equation $x''=F(t, x, x', x'')$},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {285--291},
     year = {1988},
     volume = {29},
     number = {2},
     mrnumber = {957397},
     zbl = {0667.34026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1988_29_2_a11/}
}