@article{VTGU_2015_4_a2,
     author = {E. V. Kaigorodov and S. M. Chedushev},
     title = {Co-Hopfian {Abelian} groups},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {21--33},
     publisher = {mathdoc},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2015_4_a2/}
}