@article{10_4153_CJM_1988_024_x,
     author = {Conner, P. E. and Yui, Noriko},
     title = {The {Additive} {Characters} of the {Witt} {Ring} of an {Algebraic} {Number} {Field}},
     journal = {Canadian journal of mathematics},
     pages = {546--588},
     year = {1988},
     volume = {40},
     number = {3},
     doi = {10.4153/CJM-1988-024-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-024-x/}
}