@article{MZM_1984_35_6_a15,
     author = {A. M. Ivanov},
     title = {Necessary conditions for the coperiodicity of quotients of direct products of {Abelian} groups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {921--926},
     publisher = {mathdoc},
     volume = {35},
     number = {6},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1984_35_6_a15/}
}