Lyakhovich, Leonid, et al. “FORMATION OF COMPUTATIONAL SCHEMES OF ADDITIONAL TARGETED CONSTRAINTS THAT REGULATE THE FREQUENCY SPECTRUM OF NATURAL OSCILLATIONS OF ELASTIC SYSTEMS WITH A FINITE NUMBER OF DEGREES OF MASS FREEDOM, THE DIRECTIONS OF MOVEMENT OF WHICH ARE PARALLEL, BUT DO NOT LIE IN THE SAME PLANE: PART 3: THE SECOND SAMPLE OF ANALYSIS AND CONCLUSION”. International Journal for Computational Civil and Structural Engineering, vol. 18, no. 4, Dec. 2022, pp. 71-81, https://doi.org/10.22337/2587-9618-2022-18-4-71-81.