@article{CRMATH_2011__349_9-10_497_0,
     author = {Kim, Byeong Moon and Park, Poo-Sung},
     title = {Sums of distinct integral squares in real quadratic fields},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {497--500},
     publisher = {Elsevier},
     volume = {349},
     number = {9-10},
     year = {2011},
     doi = {10.1016/j.crma.2011.03.019},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2011.03.019/}
}