A Comparative Study of Analytical Solutions to the Coupled Van-der-Pol's Non-linear Circuits Using the He's Method (HPEM) and (BPES). - Hüseyin Koçak; Ahmet Yildirim; Dahong Zhang; Karem Boubaker; Syed Tauseef Mohyud-Din (Circuits Syst., 2011)

Mathematical Models of Real Geometrical Factors in Restricted Blood Vessels for the Analysis of CAD (Coronary Artery Diseases) Using Legendre, Boubaker and Bessel Polynomials. - Omotayo Bamidele Awojoyogbe; O. P. Faromika; Michael Oluwaseun Dada; Karem Boubaker; O. S. Ojambati (J. Medical Syst., 2011)

Approximation for Transient of Nonlinear Circuits Using RHPM and BPES Methods. - Hector Vazquez-Leal; Karem Boubaker; Luis Hernández-Martínez; Jesus Huerta-Chua (J. Electr. Comput. Eng., 2013)

Homotopy-based direct current analysis with formal stop criterion. - Hector Vazquez-Leal; Brahim Benhammouda; Karem Boubaker; Yasir Khan; Uriel Filobello-Niño; Roberto Castañeda-Sheissa; R. Ruiz-Gomez (MWSCAS, 2014)

Nonlinearities Distribution Homotopy Perturbation Method Applied to Solve Nonlinear Problems: Thomas-Fermi Equation as a Case Study. - Uriel Filobello-Niño; Héctor Vázquez-Leal; Karem Boubaker; Arturo Sarmiento-Reyes; Agustin Perez-Sesma; Alejandro Díaz-Sánchez; Víctor Manuel Jimenez-Fernandez; Juan Cervantes-Perez; Jesus Sanchez-Orea; Jesus Huerta-Chua; Luis J. Morales-Mendoza; Mario Gonzalez-Lee; et al. (J. Appl. Math., 2015)