S. Saha Ray, S. Sahoo, “Comparison of two reliable analytical methods based on the solutions of fractional coupled Klein–Gordon–Zakharov equations in plasma physics”, Zh. Vychisl. Mat. Mat. Fiz., 56:7 (2016), 1349; Comput. Math. Math. Phys., 56:7 (2016), 1319–1335
