N. Helbig, J. I. Fuks, M. Casula, M. J. Verstraete, M. A. L. Marques, A. Rubio, "Density functional theory beyond the linear regime: Validating an adiabatic local density approximation", Physical Review A, vol. 83, 2011, [DOI: 10.1103/physreva.83.032503] [IF: 2.88, ]