@article{DAN_1976_228_1_a1,
     author = {A. Dzhuraev},
     title = {A boundary value problem for a system of equations of first order in three-dimensional space},
     journal = {Doklady Akademii Nauk},
     pages = {15--18},
     publisher = {mathdoc},
     volume = {228},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_228_1_a1/}
}