TY - JOUR AU - Walter, Colin D. TI - Pure fields of degree 9 with class number prime to 3 JO - Annales de l'Institut Fourier PY - 1980 SP - 1 EP - 15 VL - 30 IS - 2 PB - Institut Fourier PP - Grenoble UR - https://aif.centre-mersenne.org/articles/10.5802/aif.781/ DO - 10.5802/aif.781 LA - en ID - AIF_1980__30_2_1_0 ER -