Geodesic
On the self-cancellation of torsion-free abelian groups of finite rank
Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 6, Tome 265 (1999), pp. 7-10 
A. V. Blazhenov. On the self-cancellation of torsion-free abelian groups of finite rank. Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 6, Tome 265 (1999), pp. 7-10. http://geodesic.mathdoc.fr/item/ZNSL_1999_265_a0/
@article{ZNSL_1999_265_a0,
     author = {A. V. Blazhenov},
     title = {On the self-cancellation of torsion-free abelian groups of finite rank},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {7--10},
     year = {1999},
     volume = {265},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_265_a0/}
}
TY  - JOUR
AU  - A. V. Blazhenov
TI  - On the self-cancellation of torsion-free abelian groups of finite rank
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1999
SP  - 7
EP  - 10
VL  - 265
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1999_265_a0/
LA  - ru
ID  - ZNSL_1999_265_a0
ER  - 
%0 Journal Article
%A A. V. Blazhenov
%T On the self-cancellation of torsion-free abelian groups of finite rank
%J Zapiski Nauchnykh Seminarov POMI
%D 1999
%P 7-10
%V 265
%U http://geodesic.mathdoc.fr/item/ZNSL_1999_265_a0/
%G ru
%F ZNSL_1999_265_a0

Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

An exclusively simple example of an Abelian group free of self-cancellation is constructed.