@article{hrj:14960, title = {Geometric approach to the Diophantine equation x^2 + x y - y^2 = m}, author = {Norbert Hungerbühler and Maciej Smela}, url = {https://hrj.episciences.org/14960}, doi = {10.46298/hrj.2025.14960}, journal = {Hardy-Ramanujan Journal}, issn = {2804-7370}, volume = {Volume 47 - 2024}, eid = 4, year = {2025}, month = {Apr}, keywords = {diophantine equations, binary quadratic forms, number fields, 11D09, 11D85, [MATH]Mathematics [math]}, language = {English}, }