Physics Letters A
Physics Letters A > 2000 > 267 > 1 > 24-30
Physics Letters A > 2000 > 267 > 1 > 7-17
Physics Letters A > 2000 > 267 > 1 > 1-6
Physics Letters A > 2000 > 267 > 1 > 52-55
Physics Letters A > 2000 > 267 > 1 > 71-80
Physics Letters A > 2000 > 267 > 1 > 66-70
Physics Letters A > 2000 > 267 > 1 > 18-23
Physics Letters A > 2000 > 267 > 1 > 45-51
Physics Letters A > 2000 > 267 > 1 > 31-39
Physics Letters A > 2000 > 267 > 1 > 40-44
Physics Letters A > 2000 > 267 > 1 > 56-65
Physics Letters A > 2000 > 267 > 2-3 > 109-112
Physics Letters A > 2000 > 267 > 2-3 > 188-193
Physics Letters A > 2000 > 267 > 2-3 > 184-187
Physics Letters A > 2000 > 267 > 2-3 > 113-116
Physics Letters A > 2000 > 267 > 2-3 > 81-87
Physics Letters A > 2000 > 267 > 2-3 > 127-131
Physics Letters A > 2000 > 267 > 2-3 > 122-126
Physics Letters A > 2000 > 267 > 2-3 > 174-178