@article{MOMA_1978__85_177860,
     author = {Manfred Denker and Michael S. Keane},
     title = {Eine {Bemerkung} zur topologischen {Entropie.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {177--184},
     year = {1978},
     volume = {85},
     zbl = {0384.54020},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1978__85_177860/}
}