Physics Letters A
Physics Letters A > 2016 > 380 > 3 > 444-451
Physics Letters A > 2016 > 380 > 5-6 > 773-778
Physics Letters A > 2016 > 380 > 27-28 > 2211-2218
Physics Letters A > 2016 > 380 > 3 > 444-451
Physics Letters A > 2016 > 380 > 5-6 > 773-778
Physics Letters A > 2016 > 380 > 27-28 > 2211-2218