@article{CMH_1955__29_139107,
     author = {Mario Howald},
     title = {Die akzessorische {Irrationalit\"at} der {Gleichung} f\"unften {Grades.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {279--297},
     year = {1955},
     volume = {29},
     zbl = {0065.25001},
     url = {http://geodesic.mathdoc.fr/item/CMH_1955__29_139107/}
}