Physics Letters A
Physics Letters A > 1999 > 264 > 1 > 68-73
Physics Letters A > 1999 > 264 > 1 > 51-56
Physics Letters A > 1999 > 264 > 1 > 30-35
Physics Letters A > 1999 > 264 > 1 > 36-44
Physics Letters A > 1999 > 264 > 1 > 1-10
Physics Letters A > 1999 > 264 > 1 > 45-50
Physics Letters A > 1999 > 264 > 1 > 74-83
Physics Letters A > 1999 > 264 > 1 > 22-29
Physics Letters A > 1999 > 264 > 1 > 11-17
Physics Letters A > 1999 > 264 > 1 > 57-62
Physics Letters A > 1999 > 264 > 1 > 18-21
Physics Letters A > 1999 > 264 > 1 > 63-67
Physics Letters A > 1999 > 264 > 2-3 > 232-241
Physics Letters A > 1999 > 264 > 2-3 > 179-185
Physics Letters A > 1999 > 264 > 2-3 > 148-153
Physics Letters A > 1999 > 264 > 2-3 > 124-130
Physics Letters A > 1999 > 264 > 2-3 > 208-213
Physics Letters A > 1999 > 264 > 2-3 > 112-116
Physics Letters A > 1999 > 264 > 2-3 > 162-170
Physics Letters A > 1999 > 264 > 2-3 > 85-93