TY - JOUR AU - E. A. Lachugina TI - Free vibrations of a five-layer circular plate at different fixations of the contour JO - Problemy fiziki, matematiki i tehniki PY - 2025 SP - 25 EP - 30 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2025_1_a3/ LA - ru ID - PFMT_2025_1_a3 ER -