@misc{indiciae0525538d8c1c, title = {Comparison between the successive-perturbation method and the analytic-continuation method.}, author = {VA Popescu and IM Popescu and MC Rusescu}, year = {1989}, doi = {10.1103/physreva.39.5425}, url = {https://pubmed.ncbi.nlm.nih.gov/9901109/}, note = {Source identifier: 9901109} }