@article{JDM_1907__16_145080,
     author = {K.Th. Vahlen},
     title = {\"Uber nicht-archimedische {Algebra.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {409--421},
     publisher = {mathdoc},
     volume = {16},
     year = {1907},
     zbl = {38.0116.01},
     url = {http://geodesic.mathdoc.fr/item/JDM_1907__16_145080/}
}