Physics Letters A
Physics Letters A > 2017 > 381 > 10 > 917-923
Physics Letters A > 2017 > 381 > 15 > 1313-1320
Physics Letters A > 2017 > 381 > 17 > 1516-1524
Physics Letters A > 2017 > 381 > 36 > 3124-3128
Physics Letters A > 2017 > 381 > 10 > 917-923
Physics Letters A > 2017 > 381 > 15 > 1313-1320
Physics Letters A > 2017 > 381 > 17 > 1516-1524
Physics Letters A > 2017 > 381 > 36 > 3124-3128