@article{10_4064_aa8363_2_2016,
     author = {Ga\"el Collinet},
     title = {Sums of squares in rings of integers with 2 inverted},
     journal = {Acta Arithmetica},
     pages = {383--390},
     publisher = {mathdoc},
     volume = {173},
     number = {4},
     year = {2016},
     doi = {10.4064/aa8363-2-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa8363-2-2016/}
}