TY - JOUR AU - A. I. Egorov AU - L. N. Znamenskaya TI - Observability of elastic oscillations of the network with distributed and concentrated parameters on free boundaries JO - Trudy Instituta matematiki i mehaniki PY - 2010 SP - 76 EP - 81 VL - 16 IS - 5 UR - http://geodesic.mathdoc.fr/item/TIMM_2010_16_5_a9/ LA - ru ID - TIMM_2010_16_5_a9 ER -