@article{DAN_1966_171_6_a14,
     author = {K. M. Magomedov},
     title = {Calculation of surfaces in the space method of characteristics},
     journal = {Doklady Akademii Nauk},
     pages = {1297--1300},
     publisher = {mathdoc},
     volume = {171},
     number = {6},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_6_a14/}
}