2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/87586Based on the known implicit solution for nonlinear plasma waves, an explicit solution was obtained in the form of decomposition into harmonics. The solution obtained exhibits a mechanism for steepening of nonlinear plasma wave as a result of increasing contribution of harmonics and may be used in theoretical studies of processes involving nonlinear plasma waves.6 pages, no figuresPlasma Physicstext