@misc{indiciae2bbadbc7a9c9, title = {Quadratic response functions in a second-order polarization propagator framework.}, author = {Jeppe Olsen and Poul Jørgensen and Trygve Helgaker and Jens Oddershede}, year = {2005}, doi = {10.1021/jp054207w}, url = {https://pubmed.ncbi.nlm.nih.gov/16354055/}, note = {Source identifier: 16354055} }