@article{RSMUP_1951__20__224_0,
     author = {Toso, Annamaria},
     title = {A proposito di alcuni teoremi di {Trevisan} e v. {Ker\'eki\'art\'o}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {224--231},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {20},
     year = {1951},
     mrnumber = {41428},
     zbl = {0042.41902},
     language = {it},
     url = {http://archive.numdam.org/item/RSMUP_1951__20__224_0/}
}