@article{RSMUP_2006__116__261_0,
     author = {Szab\'o, S\'andor},
     title = {Abelian groups that cannot be factored without periodic factor},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {261--269},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {116},
     year = {2006},
     mrnumber = {2287350},
     zbl = {1156.20315},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_2006__116__261_0/}
}