For citations:

Levin V.A., Vershinin A.V., Zingerman K.M., Ukhanov E.M. Convergence analysis of the spectral element method on the example of the Lamb problem in comparison with the analytical solution. Chebyshevskii Sbornik. 2026;27(1):153-165. (In Russ.) https://doi.org/10.22405/2226-8383-2026-27-1-153-165