Geodesic
On generalizations of quasi-isomorphism on Abelian groups
Fundamentalʹnaâ i prikladnaâ matematika, Tome 22 (2019) no. 5, pp. 131-138 Cet article a éte moissonné depuis la source Math-Net.Ru

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The notions of quasi-embedding, quasi-equality, and quasi-isomorphism are generalized and their properties are studied. 
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V. M. Misyakov. On generalizations of quasi-isomorphism on Abelian groups. Fundamentalʹnaâ i prikladnaâ matematika, Tome 22 (2019) no. 5, pp. 131-138. http://geodesic.mathdoc.fr/item/FPM_2019_22_5_a12/

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