@article{SM_1975_27_1_a8,
     author = {I. Kh. Sabitov},
     title = {On~infinitesimal bendings of troughs of {revolution.~I}},
     journal = {Sbornik. Mathematics},
     pages = {103--117},
     year = {1975},
     volume = {27},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1975_27_1_a8/}
}