A generalization of Schinzel's theorem on radical extensions of fields and an application William Vélez — 1988 Acta Arithmetica
Correction to the paper "Structure theorems for radical extensions of fields", Acta Arith. 38 (1980), pp. 111-115 William Vélez — 1983 Acta Arithmetica
A Note on the Normality of Unramified, Abelian Extensions of Quadratic Extensions. Daniel J. Madden; William Yslas Velez Manuscripta mathematica
The Galois Group of a Radical Extension of the Rationals. Eliot T. Jacobson; William Y. Vélez — 1990 Manuscripta mathematica