@article{AIF_1980__30_2_1_0,
     author = {Walter, Colin D.},
     title = {Pure fields of degree 9 with class number prime to 3},
     journal = {Annales de l'Institut Fourier},
     pages = {1--15},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {30},
     number = {2},
     year = {1980},
     doi = {10.5802/aif.781},
     mrnumber = {82b:12006},
     zbl = {0408.12009},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.781/}
}