@article{DAN_1961_140_5_a0,
     author = {G. S. Barkhin and V. T. Fomenko},
     title = {The bending of surfaces of positive curvature under certain boundary conditions},
     journal = {Doklady Akademii Nauk},
     pages = {987--989},
     publisher = {mathdoc},
     volume = {140},
     number = {5},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_140_5_a0/}
}