Carleman's inequality – history, proofs and some new generalizations. Johansson, Maria; Persson, Lars-Erik; Wedestig, Anna — 2003 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
A Sawyer duality principle for radially monotone functions in ℝ n . Barza, Sorina; Johansson, Maria; Persson, Lars-Erik — 2005 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]