Geodesic
Formations of finite monounary algebras
Čebyševskij sbornik, Tome 12 (2011) no. 2, pp. 102-109 
A. L. Rasstrigin. Formations of finite monounary algebras. Čebyševskij sbornik, Tome 12 (2011) no. 2, pp. 102-109. http://geodesic.mathdoc.fr/item/CHEB_2011_12_2_a12/
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     title = {Formations of finite monounary algebras},
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Voir la notice de l'article provenant de la source Math-Net.Ru

In this paper we characterize the lattice of subformations of an arbitrary finite formation of monounary algebras. It is proved that every finite formation of monounary algebras is a hereditary formation.

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