Physics Letters A
Physics Letters A > 2016 > 380 > 3 > 408-412
Physics Letters A > 2016 > 380 > 3 > 422-428
Physics Letters A > 2016 > 380 > 4 > 554-561
Physics Letters A > 2016 > 380 > 5-6 > 809-810
Physics Letters A > 2016 > 380 > 3 > 408-412
Physics Letters A > 2016 > 380 > 3 > 422-428
Physics Letters A > 2016 > 380 > 4 > 554-561
Physics Letters A > 2016 > 380 > 5-6 > 809-810