Geodesic
Quasi-endomorphism rings of strongly indecomposable torsion-free Abelian groups of rank 4 with pseudosocles of rank 1
Fundamentalʹnaâ i prikladnaâ matematika, Tome 17 (2012) no. 8, pp. 177-182 
A. V. Cherednikova. Quasi-endomorphism rings of strongly indecomposable torsion-free Abelian groups of rank 4 with pseudosocles of rank 1. Fundamentalʹnaâ i prikladnaâ matematika, Tome 17 (2012) no. 8, pp. 177-182. http://geodesic.mathdoc.fr/item/FPM_2012_17_8_a17/
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     author = {A. V. Cherednikova},
     title = {Quasi-endomorphism rings of strongly indecomposable torsion-free {Abelian} groups of rank~4 with pseudosocles of rank~1},
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     pages = {177--182},
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     url = {http://geodesic.mathdoc.fr/item/FPM_2012_17_8_a17/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

We obtain the matrix representation of the minimal rational algebra whose subalgebras, up to isomorphism, are quasi-endomorphism rings of strongly indecomposable torsion-free Abelian groups of rank 4 with pseudosocles of rank 1.

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