@article{MAN_1930__102_159374,
     author = {E. Landau},
     title = {\"Uber einen {Satz} von {Herrn} {Esclangon}},
     journal = {Mathematische Annalen},
     pages = {177--188},
     publisher = {mathdoc},
     volume = {102},
     year = {1930},
     zbl = {55.0253.04},
     url = {http://geodesic.mathdoc.fr/item/MAN_1930__102_159374/}
}