@article{MAN_1876__10_156737,
     author = {Du Bois-Reymond},
     title = {Notiz \"uber infinit\"are {Gleichheiten}},
     journal = {Mathematische Annalen},
     pages = {576--578},
     year = {1876},
     volume = {10},
     zbl = {08.0128.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1876__10_156737/}
}