For citations:
Lichkovakha A.S., Shemshura B.A., Kuznetsov S.A. Vibration analysis of nonlinear and linear elastic systems. Herald of Dagestan State Technical University. Technical Sciences. 2020;47(4):141-150. (In Russ.) https://doi.org/10.21822/2073-6185-2020-47-4-141-150