@article{DAN_1964_155_5_a12,
     author = {P. E. Krasnushkin},
     title = {Generalized normal waves in chain structures},
     journal = {Doklady Akademii Nauk},
     pages = {1042--1045},
     publisher = {mathdoc},
     volume = {155},
     number = {5},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_5_a12/}
}