1. Generalized weighted Sobolev spaces and applications to Sobolev Orthogonal Polynomials II, por José Manuel Rodríguez, Venancio Álvarez, Elena Romera y Domingo Pestana. Approximation Theory and its Applications, Vol. 18, Número 2, (Jun. 2002), 1--33.
2. Weighted Sobolev spaces on curves, por Venancio Álvarez, Domingo Pestana, José Manuel Rodríguez y Elena Romera. Journal of Approximation Theory, Vol. 119 (2002), 41--85.
3. Generalized weighted Sobolev spaces and applications to Sobolev Orthogonal Polynomials I, por José Manuel Rodríguez, Venancio Álvarez, Elena Romera y Domingo Pestana. Acta Applicandae Mathematicae, Vol. 80 (3), febrero 2004, 273--308.
4. Generalized weighted Sobolev spaces and applications to Sobolev Orthogonal Polynomials: a survey} por José Manuel Rodríguez, Venancio Álvarez, Elena Romera y Domingo Pestana. Electronic Transactions in Numerical Analysis, Vol. 24, 2006, 88--93.
5. Extremal vector valued inequalities for Hankel Transforms, por Elena Romera. Revista Matemática Complutense, Vol. 22 n.1 2009, 153--163.