@article{1235971, author = {Hans Volkmer and Brandon Alexander and Howard Cohl}, title = {Internal and external harmonics in bi-cyclide coordinates}, year = {2023}, number = {56}, month = {2023-07-20 04:07:00}, publisher = {Journal of Physics A: Mathematical and Theoretical}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=935937}, doi = {https://doi.org/10.1088/1751-8121/ace301}, language = {en}, }