@article{10_4064_cm_2_1_52_55,
     author = {Wac{\l}aw Sierpi\'nski},
     title = {Remarques sur la d\'ecomposition des nombres en sommes des carr\'es de nombres impairs},
     journal = {Colloquium Mathematicum},
     pages = {52--55},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1949},
     doi = {10.4064/cm-2-1-52-55},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-2-1-52-55/}
}