Physics Letters A
Physics Letters A > 2016 > 380 > 1-2 > 48-55
Physics Letters A > 2016 > 380 > 5-6 > 773-778
Physics Letters A > 2016 > 380 > 17 > 1514-1516
Physics Letters A > 2016 > 380 > 18-19 > 1577-1581
Physics Letters A > 2016 > 380 > 37 > 2957-2961
Physics Letters A > 2016 > 380 > 42 > 3465-3468