Kirichok, A., V. Kuklin, and A. Pryjmak. “Comparative Kinetics of Ions for Different Modes of Parametric Instability of Intense Langmuir Waves in Plasma”. East European Journal of Physics, Vol. 1, no. 1, Mar. 2014, pp. 30-36, doi:10.26565/2312-4334-2014-1-03.