@article{1334766, author = {David Penn and Marvin Cohen}, title = {Effects of Broadening on the BCS Theory in the Presence of Van Hove Singularities}, year = {1992}, number = {46}, month = {1992-01-01 00:01:00}, publisher = {Physical Review B (Condensed Matter and Materials Physics)}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620408}, language = {en}, }