@article{CM_1968__19_1_28_0,
     author = {Robert, Pierre},
     title = {On some non-archimedean normed linear spaces. {III}},
     journal = {Compositio Mathematica},
     pages = {28--43},
     publisher = {P. Noordhoff N. V., Groningen},
     volume = {19},
     number = {1},
     year = {1968},
     mrnumber = {226368},
     language = {en},
     url = {http://www.numdam.org/item/CM_1968__19_1_28_0/}
}