@article{MAN_1959__137_160675,
     author = {K. Jacobs},
     title = {Die {\"Ubertragung} diskreter {Informationen} durch periodische und fastperiodische {Kan\"ale.}},
     journal = {Mathematische Annalen},
     pages = {125--135},
     publisher = {mathdoc},
     volume = {137},
     year = {1959},
     zbl = {0089.33903},
     url = {http://geodesic.mathdoc.fr/item/MAN_1959__137_160675/}
}