@article{ZVMMF_2012_52_9_a3,
     author = {A. I. Egorov and L. N. Znamenskaya},
     title = {Boundary observability of elastic vibrations in a~system of sequentially connected strings},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1614--1620},
     publisher = {mathdoc},
     volume = {52},
     number = {9},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2012_52_9_a3/}
}