@article{DAN_1980_252_2_a11,
     author = {S. V. Rychkov},
     title = {On cartesian products of {Abelian} groups},
     journal = {Doklady Akademii Nauk},
     pages = {301--302},
     publisher = {mathdoc},
     volume = {252},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_2_a11/}
}