%0 Journal Article %A A. I. Egorov %A L. N. Znamenskaya %T Observability of elastic oscillations of the network with distributed and concentrated parameters on free boundaries %J Trudy Instituta matematiki i mehaniki %D 2010 %P 76-81 %V 16 %N 5 %U http://geodesic.mathdoc.fr/item/TIMM_2010_16_5_a9/ %G ru %F TIMM_2010_16_5_a9