@article{KUTGS_1990_20_a1,
     author = {N. P. Azanov},
     title = {Determining the vector of an infinitesimal deformation of a~membrane that is stretched over a~torus},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {13--18},
     publisher = {mathdoc},
     volume = {20},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1990_20_a1/}
}