Fomenko, S. I.; Golub, M. V.; Alexandrov, A. A. Numerically Stable Method for Wave-Field Calculation and Band-Gap Estimation in Layered Phononic Crystals. ВМСС 2017, 10 (3), 235-244. https://doi.org/10.7242/1999-6691/2017.10.3.19.