Physics Letters A
Physics Letters A > 2017 > 381 > 5 > 529-534
Physics Letters A > 2017 > 381 > 12 > 1097-1101
Physics Letters A > 2017 > 381 > 30 > 2420-2425
Physics Letters A > 2017 > 381 > 44 > 3743-3746
Physics Letters A > 2017 > 381 > 5 > 529-534
Physics Letters A > 2017 > 381 > 12 > 1097-1101
Physics Letters A > 2017 > 381 > 30 > 2420-2425
Physics Letters A > 2017 > 381 > 44 > 3743-3746