Grishko, A. VIBRATIONS OF TWO-LAYERED PLATES IN CASE OF SLIDING CONTACT BETWEEN CONTACT SURFACES OF THE PLATE. Proc. YSU A: Phys. Math. Sci. 2017, 51 (3 (244), 255-261. https://doi.org/10.46991/PYSU:A/2017.51.3.255.