Physics Letters A
Physics Letters A > 2016 > 380 > 1-2 > 277-281
Physics Letters A > 2016 > 380 > 5-6 > 773-778
Physics Letters A > 2016 > 380 > 7-8 > 951-957
Physics Letters A > 2016 > 380 > 7-8 > 958-964
Physics Letters A > 2016 > 380 > 35 > 2706-2712
Physics Letters A > 2016 > 380 > 45 > 3847-3853