Physics Letters A
Physics Letters A > 2016 > 380 > 11-12 > 1105-1109
Physics Letters A > 2016 > 380 > 16 > 1426-1431
Physics Letters A > 2016 > 380 > 18-19 > 1582-1588
Physics Letters A > 2016 > 380 > 11-12 > 1105-1109
Physics Letters A > 2016 > 380 > 16 > 1426-1431
Physics Letters A > 2016 > 380 > 18-19 > 1582-1588