@article{ZVMMF_2007_47_6_a1,
     author = {L. N. Znamenskaya},
     title = {Two-end observability of elastic vibrations in distributed and lumped parameter systems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {944--958},
     publisher = {mathdoc},
     volume = {47},
     number = {6},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2007_47_6_a1/}
}