Gerhard Larcher,
"On the two-dimensional Kronecker-sequence and a class of ergodic skew-products."
, in Archiv der Mathematik, Vol. 63, Nummer 3, Seite(n) 231-237, 1994, ISSN: 0003-889X
Original Titel:
On the two-dimensional Kronecker-sequence and a class of ergodic skew-products.