Elastic and piezoelectric waveguides may have infinite number of gaps in their spectra

Sergei A. Nazarov; Jari Taskinen

Comptes Rendus. Mécanique, Volume 344 (2016) p. 190-194

Asymptotics of natural oscillations of a spatial junction of thin elastic rods

Sergei A. Nazarov; Andrey S. Slutskij

Comptes Rendus. Mécanique, Volume 344 (2016) p. 684-688