U. G. Akhmetshin, V. A. Bogatyrev, A. K. Senatorov, A. A. Sysolyatin, M. G. Shalygin, “New single-mode fibres with the flat spectral dependence of the chromatic dispersion varying over the fibre length”, Kvantovaya Elektronika, 33:3 (2003), 265–267 [Quantum Electron., 33:3 (2003), 265–267]
