Physics Letters A
Physics Letters A > 2002 > 294 > 2 > 95-100
Physics Letters A > 2002 > 294 > 2 > 59-65
Physics Letters A > 2002 > 294 > 2 > 108-112
Physics Letters A > 2002 > 294 > 2 > 122-125
Physics Letters A > 2002 > 294 > 2 > 79-83
Physics Letters A > 2002 > 294 > 2 > 84-86
Physics Letters A > 2002 > 294 > 2 > 74-78
Physics Letters A > 2002 > 294 > 2 > 87-94
Physics Letters A > 2002 > 294 > 2 > 101-107
Physics Letters A > 2002 > 294 > 2 > 117-121
Physics Letters A > 2002 > 294 > 2 > 71-73
Physics Letters A > 2002 > 294 > 2 > 66-70
Physics Letters A > 2002 > 294 > 2 > 113-116