@article{JDM_1911__20_145305,
     author = {R. de Saussure},
     title = {R\'eponse \`a l'article de {M.} {Study} sur ma },
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {334--338},
     publisher = {mathdoc},
     volume = {20},
     year = {1911},
     zbl = {42.0698.03},
     url = {http://geodesic.mathdoc.fr/item/JDM_1911__20_145305/}
}