@article{TIMM_2010_16_5_a9,
     author = {A. I. Egorov and L. N. Znamenskaya},
     title = {Observability of elastic oscillations of the network with distributed and concentrated parameters on free boundaries},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {76--81},
     year = {2010},
     volume = {16},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2010_16_5_a9/}
}