@article{AMBP_2007__14_1_37_0,
     author = {Leloup, G\'erard},
     title = {Cyclically valued rings and formal power series},
     journal = {Annales math\'ematiques Blaise Pascal},
     pages = {37--60},
     publisher = {Annales math\'ematiques Blaise Pascal},
     volume = {14},
     number = {1},
     year = {2007},
     doi = {10.5802/ambp.226},
     zbl = {1127.13019},
     mrnumber = {2298803},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/ambp.226/}
}