Physics Letters A
Physics Letters A > 2016 > 380 > 1-2 > 227-231
Physics Letters A > 2016 > 380 > 14-15 > 1363-1367
Physics Letters A > 2016 > 380 > 31-32 > 2407-2415
Physics Letters A > 2016 > 380 > 1-2 > 227-231
Physics Letters A > 2016 > 380 > 14-15 > 1363-1367
Physics Letters A > 2016 > 380 > 31-32 > 2407-2415