@article{CMH_1957__32_139156,
     author = {Gabriel Thierrin},
     title = {Sur les id\'eaux fermatiens d'un anneau commutatif.},
     journal = {Commentarii mathematici Helvetici},
     pages = {241--247},
     publisher = {mathdoc},
     volume = {32},
     year = {1957},
     zbl = {0083.03103},
     url = {http://geodesic.mathdoc.fr/item/CMH_1957__32_139156/}
}