Rushchitsky, J.J., and V.M. Yurchuk. 2025. “ON CERTAIN NONLINEAR WAVE EFFECT, WHICH OCCURS WHEN THE SECOND HARMONIC IS GENERATING”. Reports of the National Academy of Sciences of Ukraine, no. 1 (February). Kyiv, Ukraine:22-30. https://doi.org/10.15407/dopovidi2025.01.022.