@article{DAN_1971_197_4_a16,
     author = {P. Ya. Bershtein and B. I. Kogan},
     title = {Torsional oscillations of an infinite cylinder under sudden deceleration by a semiinfinite absolutely rigid ring},
     journal = {Doklady Akademii Nauk},
     pages = {801--803},
     publisher = {mathdoc},
     volume = {197},
     number = {4},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_197_4_a16/}
}