The generalized K-G oscillator in the cosmic string space-time Lin-Fang Deng, Chao-Yun Long, Zheng-Wen Long and Ting Xu Eur. Phys. J. Plus, 134 7 (2019) 355 Published online: 25 July 2019 DOI: 10.1140/epjp/i2019-12732-9