Institution: | 1. Department of Mathematics, China University of Mining and Technology, Xuzhou 221116, PR China;2. School of Mathematics and Statistics, Central South University, Changsha, Hunan 410083, PR China;1. Institute for Nuclear Research of the Russian Academy of Sciences, 60th October Ave 7a, 117312 Moscow, Russia;2. Institute for High Energy Physics, NRC “Kurchatov Institute”, 142281 Protvino, Moscow region, Russia |