@article{RSMUP_1976__55__195_0,
     author = {Mutzbauer, Otto},
     title = {Klassifizierung torsionsfreier abelscher {Gruppen} des {Ranges} 2},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {195--208},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {55},
     year = {1976},
     mrnumber = {473042},
     zbl = {0359.20035},
     language = {de},
     url = {http://archive.numdam.org/item/RSMUP_1976__55__195_0/}
}