Physics Letters A
Physics Letters A > 2003 > 308 > 2-3 > 226-233
Physics Letters A > 2003 > 308 > 2-3 > 198-201
Physics Letters A > 2003 > 308 > 2-3 > 101-109
Physics Letters A > 2003 > 308 > 2-3 > 135-139
Physics Letters A > 2003 > 308 > 2-3 > 140-142
Physics Letters A > 2003 > 308 > 2-3 > 219-225
Physics Letters A > 2003 > 308 > 2-3 > 85-95
Physics Letters A > 2003 > 308 > 2-3 > 208-211
Physics Letters A > 2003 > 308 > 2-3 > 143-148
Physics Letters A > 2003 > 308 > 2-3 > 120-130
Physics Letters A > 2003 > 308 > 2-3 > 179-186
Physics Letters A > 2003 > 308 > 2-3 > 173-178
Physics Letters A > 2003 > 308 > 2-3 > 149-156
Physics Letters A > 2003 > 308 > 2-3 > 81-84
Physics Letters A > 2003 > 308 > 2-3 > 157-161
Physics Letters A > 2003 > 308 > 2-3 > 162-172
Physics Letters A > 2003 > 308 > 2-3 > 96-100
Physics Letters A > 2003 > 308 > 2-3 > 110-115
Physics Letters A > 2003 > 308 > 2-3 > 212-218