Zimin, O. I., and G. L. Kulinich. “About Asymptotic Behavior of the Mathematical Expectation of the Total Energy of the Harmonic Oscillator With Random Perturbation”. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics, no. 3, Aug. 2018, pp. 47-52, https://doi.org/10.17721/1812-5409.2018/3.6.