Numbers with order 1
Groupe de travail d'analyse ultramétrique, Volume 9 (1981-1982) no. 3, Talk no. J6, 4 p.
@article{GAU_1981-1982__9_3_A7_0,
     author = {Escassut, Alain},
     title = {Numbers with order $\le 1$},
     journal = {Groupe de travail d'analyse ultram\'etrique},
     publisher = {Secr\'etariat math\'ematique},
     volume = {9},
     number = {3},
     year = {1981-1982},
     note = {talk:J6},
     zbl = {0511.12016},
     language = {en},
     url = {http://www.numdam.org/item/GAU_1981-1982__9_3_A7_0}
}
Escassut, Alain. Numbers with order $\le 1$. Groupe de travail d'analyse ultramétrique, Volume 9 (1981-1982) no. 3, Talk no. J6, 4 p. http://www.numdam.org/item/GAU_1981-1982__9_3_A7_0/

[1] Amice (Y.). - Les nombres p-adiques. - Paris, Presses universitaires de France, 1975 (Collection SUP, "Le Mathématicien", 14). | MR 447195 | Zbl 0313.12104

[2] Escassut (A.). - Type de transcendance p-adique, Groupe d'étude d'Analyse ultramétrique, 5e année, 1977/78, n° 8, 10 p. | Numdam | MR 525341 | Zbl 0401.10044

[3] Lang (S.). - Introduction to transcendental numbers. - Reading, Addison-Wesley, 1966 (Addison-Wesley Series in Mathematics). | MR 214547 | Zbl 0144.04101

[4] Waldschmidt (M.). - Nombres transcendants. - Berlin, Springer-Verlag, 1974 (Lecture Notes in Mathematics. 402). | MR 360483 | Zbl 0302.10030