Plane waves and problems of steady vibrations in the theory of viscoelasticity for Kelvin-Voigt materials with double porosity. Arch. Mech. Test [Internet]. 2016 Dec. 19 [cited 2025 Jun. 30];68(6):441-58. Available from: https://am3.ippt.pan.pl/index.php/am/article/view/v68p441