@misc{indiciaed94fc233463e, title = {Classical divergence of nonlinear response functions.}, author = {Maksym Kryvohuz and Jianshu Cao}, year = {2006}, doi = {10.1103/physrevlett.96.030403}, url = {https://pubmed.ncbi.nlm.nih.gov/16486670/}, note = {Source identifier: 16486670} }