@article{PMB_2013____49_0,
     author = {Maximilian Boy},
     title = {On the second class group of real quadratic fields},
     journal = {Publications math\'ematiques de Besan\c{c}on. Alg\`ebre et th\'eorie des nombres},
     pages = {49--66},
     publisher = {Presses universitaires de Franche-Comt\'e},
     year = {2013},
     doi = {10.5802/pmb.a-151},
     language = {en},
     url = {https://pmb.centre-mersenne.org/articles/10.5802/pmb.a-151/}
}