Extension of Laplace transform-homotopy perturbation method to solve nonlinear differential equations with variable coefficients defined with Robin boundary conditions. - Uriel Filobello-Niño; Héctor Vázquez-Leal; Yasir Khan; Mario Sandoval-Hernandez; Agustin Perez-Sesma; Arturo Sarmiento-Reyes; Brahim Benhammouda; Víctor Manuel Jimenez-Fernandez; Jesus Huerta-Chua; S. F. Hernandez-Machuca; J. M. Mendez-Perez; Luis Javier Morales-Mendoza; et al. (Neural Comput. Appl., 2017)