1. Reconstruction of centered function by its values at two middle levels of the hypercube;Avgustinovich;Diskretn. Anal. Issled. Oper.,2003
2. Tilings and rotations: a two-dimensional generalization of Sturmian sequences;Berthe;Discrete Math.,2000
3. Une Caracterisation des Mots Périodiques;Cesari;C. R. Acad. Sci. Paris, Ser. A,1978
4. Spectra of Graphs;Cvetkovic,1980
5. Périodes et Répetitions des Mots du Monoide Libre;Duval;Theor. Comput. Sci.,1979