@article{frengley:12-congs, author = {Frengley, Sam}, title = {On $12$-congruences of elliptic curves}, journal = {Int. J. Number Theory}, fjournal = {International Journal of Number Theory}, volume = {20}, year = {2024}, number = {2}, pages = {565--601}, issn = {1793-0421,1793-7310}, mrclass = {11G05 (11F80)}, mrnumber = {4709643}, doi = {10.1142/S1793042124500301}, url = {https://doi.org/10.1142/S1793042124500301}, }