1. M. Amou, “On Sprindžuk’s classification of transcendental numbers,” J. Reine Angew. Math. 470 (1996), 27–50.
2. M. Amou, “Transcendence measures for almost all numbers,” in Analytic Number Theory, Japanese (Kyoto, 1995), Sʉrikaisekikenkyʉsho Kɵkyʉroku 961 (1996) 112–116.
3. G.V. Chudnovsky, “Contributions to the theory of transcendental numbers,” A. M. S. Surveys and Monographs 19, Providence USA, 1984.
4. G. Diaz, “Une nouvelle propriété d’approximation diophantienne,” C. R. Acad. Sci. Paris 324 (1997) 969–972.
5. G. Diaz et M. Mignotte, “Passage d’une mesure d’approximation à une mesure de transcendance,” C. R. Math. Rep. Acad. Sci. Canada 13 (1991) 131–134.