E. Guliyev, R. Allahverdiyev, and Q. Kheyrabadi, “Identification of the patterns of influence the number of reinforcing elements and the inhomogeneity parameter of the shell material on frequencies of a reinforced inhomogeneous orthotropic spherical shell with a medium”, EEJET, vol. 5, no. 7 (119), pp. 35–43, Oct. 2022.