Imaging of an undulator source by phase circular Bragg-Fresnel lenses Ya. Hartman, E. Tarazona, P. Elleaume, I. Snigireva et A. SnigirevJ. Phys. IV France, 04 C9 (1994) C9-45-C9-48DOI: https://doi.org/10.1051/jp4:1994907
