%0 Journal Article %A Geddes, A. %T On coefficient fields %J Glasgow mathematical journal %D 1958 %P 42-48 %V 4 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S2040618500033840/ %R 10.1017/S2040618500033840 %F 10_1017_S2040618500033840