Photoionization of multishell fullerenes studied by ab initio and model approaches Alexey Verkhovtsev, Andrei V. Korol and Andrey V. Solov’yov Eur. Phys. J. D, 70 10 (2016) 221 Published online: 25 October 2016 DOI: 10.1140/epjd/e2016-70278-2