@article{RSMUP_1978__59__1_0,
     author = {Morgantini, Edmondo},
     title = {Su di un problema di {Ph.} {Straffin}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {1--10},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {59},
     year = {1978},
     mrnumber = {547073},
     zbl = {0435.51024},
     language = {it},
     url = {http://www.numdam.org/item/RSMUP_1978__59__1_0/}
}