Physics Letters A
Physics Letters A > 2016 > 380 > 1-2 > 238-241
Physics Letters A > 2016 > 380 > 1-2 > 299-303
Physics Letters A > 2016 > 380 > 3 > 465-469
Physics Letters A > 2016 > 380 > 5-6 > 718-725
Physics Letters A > 2016 > 380 > 22-23 > 1981-1984
Physics Letters A > 2016 > 380 > 25-26 > 2160-2166
Physics Letters A > 2016 > 380 > 27-28 > 2200-2203
Physics Letters A > 2016 > 380 > 42 > 3546-3552
Physics Letters A > 2016 > 380 > 46 > 3928-3931
Physics Letters A > 2016 > 380 > 48 > 4057-4061