@article{RSMUP_1975__53__13_0,
     author = {Iseki, Kiyoshi},
     title = {A common fixed point theorem},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {13--14},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {53},
     year = {1975},
     mrnumber = {407825},
     zbl = {0323.54040},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1975__53__13_0/}
}