@article{ARM_1968__4_4_a3,
     author = {\v{D}urikovi\v{c}, Vladim{\'\i}r},
     title = {On the uniqueness of solutions and the convergence of successive approximations in the {Darboux} problem for certain differential equations of the type $u_{xy}=f(x,y,u,u_x,u_y)$},
     journal = {Archivum mathematicum},
     pages = {223--235},
     publisher = {mathdoc},
     volume = {04},
     number = {4},
     year = {1968},
     mrnumber = {0262644},
     zbl = {0208.12901},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1968__4_4_a3/}
}