Physics Letters A
Physics Letters A > 2016 > 380 > 1-2 > 282-287
Physics Letters A > 2016 > 380 > 16 > 1469-1474
Physics Letters A > 2016 > 380 > 37 > 2984-2988
Physics Letters A > 2016 > 380 > 1-2 > 282-287
Physics Letters A > 2016 > 380 > 16 > 1469-1474
Physics Letters A > 2016 > 380 > 37 > 2984-2988