On a three dimensional Cauchy problem for inhomogeneous Helmholtz equation associated with perturbed wave number. - Phong Luu Hong; Le Minh Triet; Pham Hoang Quan (J. Comput. Appl. Math., 2018)

Recovering the initial wave amplitude for nonlinear elliptic equation with locally Lipschitz source in multiple-dimensional domain. - Le Minh Triet; Pham Hoang Quan; Phong Luu Hong; Canh Vo Van (J. Comput. Appl. Math., 2020)

Recovering terminal wave amplitude of mechanical diffusive in waves visco-elastic materials. - Triet Minh Le; Phong Luu Hong; Hoang Minh Nguyen (Comput. Appl. Math., 2025)