@article{JRAM_1981__329_183527,
     author = {Robert C. Valentini and L. Madan Manohar},
     title = {Subfields of cyclic p-extensions of {K(x).}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {154--163},
     publisher = {mathdoc},
     volume = {329},
     year = {1981},
     zbl = {0461.12009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1981__329_183527/}
}