no. 3
A note on equal powers of word morphisms
RAIRO. Informatique théorique, Tome 11 (1977) no. 3, pp. 207-211. 
@article{ITA_1977__11_3_207_0,
     author = {Ruohonen, K.},
     title = {A note on equal powers of word morphisms},
     journal = {RAIRO. Informatique th\'eorique},
     pages = {207--211},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {11},
     number = {3},
     year = {1977},
     mrnumber = {498918},
     zbl = {0374.20064},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1977__11_3_207_0/}
}
TY  - JOUR
AU  - Ruohonen, K.
TI  - A note on equal powers of word morphisms
JO  - RAIRO. Informatique théorique
PY  - 1977
SP  - 207
EP  - 211
VL  - 11
IS  - 3
PB  - Centrale des revues, Dunod-Gauthier-Villars
PP  - Montreuil
UR  - http://www.numdam.org/item/ITA_1977__11_3_207_0/
LA  - en
ID  - ITA_1977__11_3_207_0
ER  - 
%0 Journal Article
%A Ruohonen, K.
%T A note on equal powers of word morphisms
%J RAIRO. Informatique théorique
%D 1977
%P 207-211
%V 11
%N 3
%I Centrale des revues, Dunod-Gauthier-Villars
%C Montreuil
%U http://www.numdam.org/item/ITA_1977__11_3_207_0/
%G en
%F ITA_1977__11_3_207_0
Ruohonen, K. A note on equal powers of word morphisms. RAIRO. Informatique théorique, Tome 11 (1977) no. 3, pp. 207-211. http://www.numdam.org/item/ITA_1977__11_3_207_0/

1. J. Berstel et M. Mignotte, Deux propriétés décidables des suites récurrents linéaires Bulletin de la Société Mathématique de France, 104, 1976, 175-184. | Numdam | MR | Zbl

2. Z. I. Borevich and I. R. Shafarevich, Number Theory, Academic Press, New York & London, 1966. | MR | Zbl

3. W. J. Le Veque, Topics in Number Theory I, Addison-Wesley Publ. Co., Reading, Mass., 1956. | MR | Zbl

4. K. Ruohonen, Some combinatorial mappings of words. Annales Academiac Scientiarum Fennicae, Series A.I., Mathematicae, Dissertationes, 9, 1976. | MR | Zbl