Nguyen Huy TuanLe Duc ThangVo Anh KhoaA modified integral equation method of the nonlinear elliptic equation with globally and locally Lipschitz source.245-2652015265Appl. Math. Comput.https://doi.org/10.1016/j.amc.2015.03.115db/journals/amc/amc265.html#TuanTK15