Cloaking Devices, Electromagnetic Wormholes, and Transformation Optics. - Allan Greenleaf; Yaroslav Kurylev; Matti Lassas; Gunther Uhlmann (SIAM Rev., 2009)

Superdimensional Metamaterial Resonators From Sub-Riemannian Geometry. - Allan Greenleaf; Henrik Kettunen; Yaroslav Kurylev; Matti Lassas; Gunther Uhlmann (SIAM J. Appl. Math., 2018)