@article{MOMA_1980__89_177959,
     author = {Brian Marcus},
     title = {A {Note} on {Periodic} {Points} for {Ergodic} {Toral} {Automorphisms.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {121--130},
     publisher = {mathdoc},
     volume = {89},
     year = {1980},
     zbl = {0422.28013},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1980__89_177959/}
}