@article{10_4064_ap_13_3_267_277,
     author = {B. Palczewski},
     title = {Existence and uniqueness of solutions of the {Darboux} problem for the equation ${\ensuremath{\partial}^3u \over \ensuremath{\partial}x_1 \ensuremath{\partial}x_2 \ensuremath{\partial}x_3} = {f(x_1, x_ 2, x_ 3, u, {\ensuremath{\partial}u \over \ensuremath{\partial}x_1}, {\ensuremath{\partial}u \over \ensuremath{\partial}x_2}, {\ensuremath{\partial}u \over \ensuremath{\partial}x_3}, {\ensuremath{\partial}^2u \over \ensuremath{\partial}x_1 \ensuremath{\partial}x_2}, {\ensuremath{\partial}^2u \over \ensuremath{\partial}x_1, \ensuremath{\partial}x_3}, {\ensuremath{\partial}^2u \over \ensuremath{\partial}x_2 \ensuremath{\partial}x_3})},
     journal = {Annales Polonici Mathematici},
     pages = {267--277},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {1963},
     doi = {10.4064/ap-13-3-267-277},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-13-3-267-277/}
}