Physics Letters A
Physics Letters A > 2016 > 380 > 5-6 > 739-744
Physics Letters A > 2016 > 380 > 24 > 2081-2084
Physics Letters A > 2016 > 380 > 34 > 2654-2657
Physics Letters A > 2016 > 380 > 45 > 3803-3809
Physics Letters A > 2016 > 380 > 5-6 > 739-744
Physics Letters A > 2016 > 380 > 24 > 2081-2084
Physics Letters A > 2016 > 380 > 34 > 2654-2657
Physics Letters A > 2016 > 380 > 45 > 3803-3809