Geodesic
On absolute retracts and absolute convex retracts in some classes of l-groups
Discussiones Mathematicae. General Algebra and Applications, Tome 23 (2003) no. 1, pp. 19-30.

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By dealing with absolute retracts of l-groups we use a definition analogous to that applied by Halmos for the case of Boolean algebras. The main results of the present paper concern absolute convex retracts in the class of all archimedean l-groups and in the class of all complete l-groups.
Keywords: l-group, absolute retract, absolute convex retract, archimedean l-group, complete l-group, orthogonal completeness 
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Jakubík, Ján. On absolute retracts and absolute convex retracts in some classes of l-groups. Discussiones Mathematicae. General Algebra and Applications, Tome 23 (2003) no. 1, pp. 19-30. http://geodesic.mathdoc.fr/item/DMGAA_2003_23_1_a2/

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