SARKISIAN, V. S.; SARKISIAN, S. V.; SHABOYAN, A. F. THE ANALYSIS OF VIBRATIONS OF CURVILINEAR TETRAGON WITH RECTILINEAR ANISOTROPY. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 35, n. 1 (195), p. 139–140, 2001. DOI: 10.46991/PYSUA.2001.35.1.139. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol35_no1_2001_pp139-140. Acesso em: 22 jan. 2026.