@article{MAN_1927__97_182640,
     author = {W. Sierpinski},
     title = {La notion de d\'eriv\'ee comme base d'une th\'eorie des ensembles abstraits},
     journal = {Mathematische Annalen},
     pages = {321--337},
     publisher = {mathdoc},
     volume = {97},
     year = {1927},
     zbl = {52.0582.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1927__97_182640/}
}