@article{DAN_1958_122_4_a4,
     author = {Sun Khe-shen},
     title = {Some problems bearing on infinitesimal flexures of surfaces},
     journal = {Doklady Akademii Nauk},
     pages = {559--561},
     publisher = {mathdoc},
     volume = {122},
     number = {4},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_122_4_a4/}
}