@article{JRAM_1977__292_151884,
     author = {Kiyoaki Iimura},
     title = {A criterion for the class number of a pure quintic field to be divisible by 5.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {201--210},
     publisher = {mathdoc},
     volume = {292},
     year = {1977},
     zbl = {0351.12003},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1977__292_151884/}
}