@article{10_21136_CMJ_1979_101615,
     author = {Mutzbauer, Otto},
     title = {Zerlegbarkeitskriterien f\"ur {Invarianten} torsionsfreier abelscher {Gruppen} des {Ranges} 2},
     journal = {Czechoslovak Mathematical Journal},
     pages = {337--339},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {1979},
     doi = {10.21136/CMJ.1979.101615},
     mrnumber = {536059},
     zbl = {0422.20042},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101615/}
}