@article{10_1017_fms_2022_40,
     author = {Stephanie Chan and Peter Koymans and Djordjo Milovic and Carlo Pagano},
     title = {The 8-rank of the narrow class group and the negative {Pell} equation},
     journal = {Forum of Mathematics, Sigma},
     publisher = {mathdoc},
     volume = {10},
     year = {2022},
     doi = {10.1017/fms.2022.40},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/fms.2022.40/}
}