Bounds on the excess charge and the ionization energy for the Hellmann-Weizsacker model Rafael Benguria; Stefan Hoops; Heinz Siedentop — 1992 Annales de l'I.H.P. Physique théorique
Bounds for nonlinear eigenvalue problems. Benguria, Rafael D.; Depassier, M.Cristina — 2001 Electronic Journal of Differential Equations (EJDE) [electronic only]
A reversed Poincaré inequality for monotone functions. Benguria, Rafael D.; Depassier, M.Cristina — 2000 Journal of Inequalities and Applications [electronic only]