@article{LFMO_1926_1_1_a7,
     author = {E. Nicolai},
     title = {Ueber die {Schwingungen} eines gebogenen {Stabes}},
     journal = {Journal de la Soci\'et\'e Physico-Math\'ematique de L\'eningrade},
     pages = {77--88},
     year = {1926},
     volume = {1},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/LFMO_1926_1_1_a7/}
}