Nonlinear-response properties in a simplified time-dependent density functional theory (sTD-DFT) framework: Evaluation of the first hyperpolarizability

de Wergifosse, M., & Grimme, S. (2018). Nonlinear-response properties in a simplified time-dependent density functional theory (sTD-DFT) framework: Evaluation of the first hyperpolarizability. Journal of Chemical Physics, 149(2). https://doi.org/10.1063/1.5037665 (Original work published 2018)