@misc{indiciaefe29afb9310b, title = {Theoretical study of the nonlinear response function describing optical second-harmonic generation in nonlocal metal optics.}, author = {O Keller}, year = {1985}, doi = {10.1103/physrevb.31.5028}, url = {https://pubmed.ncbi.nlm.nih.gov/9936464/}, note = {Source identifier: 9936464} }