@article{SM_1969_9_2_a0,
     author = {V. T. Fomenko},
     title = {On~infinitesimal deformations of convex surfaces with a~boundary condition of generalized translation},
     journal = {Sbornik. Mathematics},
     pages = {151--154},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1969_9_2_a0/}
}