@article{MOMA_1985__99_178233,
     author = {N. Seifter},
     title = {The {Action} of {Nilpotent} {Groups} on {Infinite} {Graphs.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {323--332},
     publisher = {mathdoc},
     volume = {99},
     year = {1985},
     zbl = {0564.05033},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1985__99_178233/}
}