Geodesic
On the definability of endomorphisms of a free group of the variety $\mathfrak{AM}$ by a finite set of values
Matematičeskie zametki, Tome 62 (1997) no. 6, pp. 916-920 Cet article a éte moissonné depuis la source Math-Net.Ru

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In the paper we find out in what cases any endomorphism of a free metabelian group of rank $n$ is uniquely determined by its values on finitely many elements of the group. 
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     title = {On the definability of endomorphisms of a free group of the variety $\mathfrak{AM}$ by a finite set of values},
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E. I. Timoshenko. On the definability of endomorphisms of a free group of the variety $\mathfrak{AM}$ by a finite set of values. Matematičeskie zametki, Tome 62 (1997) no. 6, pp. 916-920. http://geodesic.mathdoc.fr/item/MZM_1997_62_6_a12/

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