@article{10_4153_CMB_2000_032_3,
     author = {Yu, Gang},
     title = {On the {Number} of {Divisors} of the {Quadratic} {Form} m2 + n2},
     journal = {Canadian mathematical bulletin},
     pages = {239--256},
     year = {2000},
     volume = {43},
     number = {2},
     doi = {10.4153/CMB-2000-032-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-032-3/}
}