@article{RSMUP_2010__124__43_0,
     author = {Paolini, E. and Ulivi, L.},
     title = {The {Steiner} problem for infinitely many points},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {43--56},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {124},
     year = {2010},
     mrnumber = {2752675},
     zbl = {1217.49038},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_2010__124__43_0/}
}