I. Saber, H. M. Ahmed, N. Badra, and I. Samir, “Multiform Solitary Wave Structures and Bifurcation Analysis of an Extended Modified (3+1)-Dimensional Kadomtsev–Petviashvili Equation via Hybrid Analytical Approaches”, East Eur. J. Phys., no. 3, pp. 179-197, Aug. 2026.