[1] O. Kopeček:
Homomorphisms of partial unary algebras. Czech. Math. J. 26 (101) (1976), 108-127.
MR 0392759
[2] E. Nelson:
Homomorphisms of mono-unary algebras. Pac. J. Math. 99, No 2 (1982), 427 to 429.
MR 0658072 |
Zbl 0451.08005
[3] M. Novotný: O jednom problému z teorie zobrazení. (On a problem of the mapping theory.) Spisy Vyd. Přír. Fak. Univ. Мasaryk Brno, No 344 (1953), 53-64.
[4] M. Novotný:
Über Abbildungen von Mengen. Pac. J. Math. 13 (1963), 1347-1359.
MR 0157143
[5] M. Novotný: On mappings of machines. In: Lecture Notes in Computer Science 45. Мathematical Foundations of Computer Science 1976. Proceedings, 5 th Symposium, Gdańsk, September 6-10, 1976. Ed. A. Mazurkiewicz, 105-114.