Physics Letters A
Physics Letters A > 2017 > 381 > 3 > 140-144
Physics Letters A > 2017 > 381 > 3 > 136-139
Physics Letters A > 2017 > 381 > 3 > 129-135
Physics Letters A > 2017 > 381 > 3 > 124-128
Physics Letters A > 2017 > 381 > 3 > 145-152
Physics Letters A > 2017 > 381 > 3 > 171-175
Physics Letters A > 2017 > 381 > 3 > 160-165
Physics Letters A > 2017 > 381 > 3 > 115-123
Physics Letters A > 2017 > 381 > 3 > 153-159
Physics Letters A > 2017 > 381 > 3 > 166-170