Osetrov, Aleksandr Vladimirovich, and Van So Nguyen. “Calculation of the Parameters of Surface Acoustic Waves in Piezoelectrics Using the Finite Element Method”. Computational Continuum Mechanics, vol. 4, no. 4, Dec. 2011, pp. 71-80, https://doi.org/10.7242/1999-6691/2011.4.4.41.