1. I. A. Dynnikov, S. P. Novikov. Topology of Quasi-periodic Functions on the Plane. Russian Math. Surveys. 60,1−26 (2005). (in Russian)
2. A. B. Antonevich, A. N. Buzulutskaya (Glaz). Almost-Periodic Algebras and Their Automorphisms. Math. Notes. 102, 610−622 (2017).
3. N. G. Bruijnde. Quasicrystals and their Fourier transform. Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Mathematical Sciences. A89,123152 (1986).
4. ́an T. von K ́arm, H. L. Rubach. On the Structurally Stable Symmetric Tilings on the mechanisms of fluid resistance. Physik Z. , 49−59 (1912).
5. H. B ́enard. Les tourbillons cellulaires dans unenappe liquide. Rev. G ́en. Sciences Pure Appl. 11, 1261-1271 (1900); ibid11, 1309−1328 (1900).