%0 Journal Article %A Deveney, James K. %A Mordeson, John N. %T Uniqueness of Subfields %J Canadian mathematical bulletin %D 1986 %P 191-196 %V 29 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1986-031-5/ %R 10.4153/CMB-1986-031-5 %F 10_4153_CMB_1986_031_5