@article{MZM_1982_31_4_a10,
     author = {E. V. Shikin},
     title = {Equations of isometric imbeddings in three-dimensional {Euclidean} space of two-dimensional manifolds of negative curvature},
     journal = {Matemati\v{c}eskie zametki},
     pages = {601--612},
     publisher = {mathdoc},
     volume = {31},
     number = {4},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1982_31_4_a10/}
}