@article{CRMECA_2009__337_3_119_0, author = {Sergey A. Nazarov and Keijo Ruotsalainen and Jari Taskinen}, title = {Gaps in the essential spectrum of infinite periodic necklace-shaped elastic waveguide}, journal = {Comptes Rendus. M\'ecanique}, pages = {119--123}, publisher = {Elsevier}, volume = {337}, number = {3}, year = {2009}, doi = {10.1016/j.crme.2009.03.014}, language = {en}, }