Physics Letters A
Physics Letters A > 2016 > 380 > 1-2 > 293-298
Physics Letters A > 2016 > 380 > 1-2 > 194-199
Physics Letters A > 2016 > 380 > 4 > 609-613
Physics Letters A > 2016 > 380 > 5-6 > 753-763
Physics Letters A > 2016 > 380 > 5-6 > 739-744
Physics Letters A > 2016 > 380 > 7-8 > 917-922
Physics Letters A > 2016 > 380 > 20 > 1735-1740
Physics Letters A > 2016 > 380 > 33 > 2465-2474
Physics Letters A > 2016 > 380 > 34 > 2674-2677
Physics Letters A > 2016 > 380 > 48 > 4039-4043