1. Beurling A. In: Carleson L, Malliavin P, Neuberger J, Wermer J, editors. The collected works of Arne Beurling. Volume 1. Complex analysis. Boston, MA: Birkhäuser Boston, Inc.; 1989. (Contemporary mathematicians).
2. Cambridge studies in advanced mathematics; vol. 12;Koosis P.,1998
3. Debnath S, Sen S. Completeness of exponentials and Beurling's theorem regarding Fourier transform on Rn and Tn. arXiv:2007.09458v2.
4. On a Class of Non-Vanishing Functions
5. Around theorems of Ingham-type regarding decay of Fourier transform on Rn, Tn and two step nilpotent Lie groups