@article{VTGU_2012_2_a0,
     author = {E. V. Kaigorodov},
     title = {Hopfian {Abelian} groups},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {5--12},
     publisher = {mathdoc},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2012_2_a0/}
}