[3] J. Chvalina:
Set transformations with centralizers formed by closed deformations of quasidiscrete topological spaces. Proceedings of the Fourth Prague Topological Symposium 1976, Part B, Prague 1977, 83-89.
MR 0500872
[4] J. Chvalina: On centralizers of non skeletal connected set transformations. To appear.
[5] J. Chvalina:
Characterizations of certain monounary algebras I. Arch. Math. (Brrio) 2 (1978), 85-98.
MR 0512748 |
Zbl 0388.08006
[6] Clifford A. H., Preston G. B.: The algebraic theory of semigroups. Amer. Math. Soc., Providence 1964, transl. Mocквa 1972.
[7] F. Fiala, V. Novák:
On isotone and homomorphic mappings. Arch. Math. (Brno) 2 (1966), 27-32.
MR 0195767
[8] J. Ježek, T. Kepka:
Semigroup representations of commutative idempotent Abelian groupoids. Comment. Math. Univ. Carol. 16, 3 (1975), 487-500.
MR 0382484
[9] J. Karásek:
On isotone and homomorphic maps of ordered partial groupoids. Arch. Math. (Brno) 2 (1966), 71-77.
MR 0199300
[10] O. Kopeček:
Homomorphisms of partial unary algebras. Czech. Math. J. 26 (101) 1976, 108-127.
MR 0392759
[11] O. Kopeček, M. Novotný:
On some invariants of unary algebras. Czech. Math. J. 24 (99) 1974, 219-246.
MR 0347703
[12] M. Novotný:
Sur un problème de la théorie des applications. Publ. Fac. Sci. Univ. Masaryk, 344 (1953), 53-64.
MR 0061149
[13] M. Novotný:
Über Abbildungen von Mengen. Pacific J. Math. 13 (1963), 1359-1369.
MR 0157143
[14] M. Sekanina:
Realizations of ordered sets by means of universal algebras, especially by semigroups. Theory of sets and topology, Berlin 1972, 455-466.
MR 0340153
[15] Скорняков Л. A.: Унapc. Proceedings of the Colloquium on Universal Algebra, Esztergom 1977, to appear.
[16] J. Tiuryn:
Algebraiczne podstawy teorii maszyn. Państwowe wyd. naukowe, Warszawa 1975
MR 0465622
[17] J. C. Varlet:
Endomorphisms and fully invariant congruences in unary algebras $$. Bull. Soc. Royale Sci. Liege 39 anné 11-12 (1970), 575-589.
MR 0279023
[18] Ch. Wells:
Centralizers of transitive semigroup actions and endomorphisms of trees. Pacific. J. Math. 64, 1 (1976), 265-271.
MR 0429632 |
Zbl 0342.20034