Geodesic
Near isomorphism for countable rank torsion-free Abelian groups
Fundamentalʹnaâ i prikladnaâ matematika, Tome 22 (2019) no. 5, pp. 17-28 
E. A. Blagoveshchenskaya; A. V. Filimonov; A. E. Trifonov. Near isomorphism for countable rank torsion-free Abelian groups. Fundamentalʹnaâ i prikladnaâ matematika, Tome 22 (2019) no. 5, pp. 17-28. http://geodesic.mathdoc.fr/item/FPM_2019_22_5_a3/
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     author = {E. A. Blagoveshchenskaya and A. V. Filimonov and A. E. Trifonov},
     title = {Near isomorphism for countable rank torsion-free {Abelian} groups},
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Voir la notice de l'article provenant de la source Math-Net.Ru

The notion of a near isomorphism is extended from finite-rank torsion-free Abelian groups to some classes of infinite-rank groups. The equivalence of different formulations of this notion for a certain class of countable-rank groups is proved.

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