Global existence and uniform decay rates for the semi-linear wave equation with damping and source terms. - Tae Gab Ha; Daewook Kim; Il Hyo Jung (Comput. Math. Appl., 2014)

Blow-up for wave equation with weak boundary damping and source terms. - Tae Gab Ha (Appl. Math. Lett., 2015)

General decay estimates for the wave equation with acoustic boundary conditions in domains with nonlocally reacting boundary. - Tae Gab Ha (Appl. Math. Lett., 2016)

Energy decay for the wave equation of variable coefficients with acoustic boundary conditions in domains with nonlocally reacting boundary. - Tae Gab Ha (Appl. Math. Lett., 2018)