Sigrid Grepstad, Lisa Kaltenböck, Mario Neumüller,
"A positive lower bound for \liminf_{N \to \infty} \prod_{r=1}^N |2 \sin(\pi r \varphi)|"
, in Proceedings of the American Mathematical Society, Vol. 147, Nummer 11, Seite(n) 4863-4876, 2019, ISSN: 0002-9939
Original Titel:
A positive lower bound for \liminf_{N \to \infty} \prod_{r=1}^N |2 \sin(\pi r \varphi)|