@article{DAN_1968_183_4_a6,
     author = {A. L. Krylov},
     title = {The {Cauchy} problem for a second order equation with two independent variables in the complex domain},
     journal = {Doklady Akademii Nauk},
     pages = {765--767},
     publisher = {mathdoc},
     volume = {183},
     number = {4},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_183_4_a6/}
}