@article{10_4171_dm_300,
     author = {Takashi Yoshinaga},
     title = {On the solutions of quadratic {Diophantine} equations},
     journal = {Documenta mathematica},
     pages = {347--385},
     year = {2010},
     volume = {15},
     doi = {10.4171/dm/300},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/300/}
}