Plasmon resonances in two-layered circular graphene shells - Velichko, Elena A.; Nickolaenko, Alexander P. (2016 9th International Kharkiv Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW), Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW), 2016 9th International Kharkiv Symposium on, 2016)