@article{DAN_1975_220_2_a9,
     author = {F. Hil'debrand},
     title = {The first boundary-value problem ``in the large'' for a quasi-linear equation of first order},
     journal = {Doklady Akademii Nauk},
     pages = {300--303},
     publisher = {mathdoc},
     volume = {220},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_220_2_a9/}
}