Physics Letters A
Physics Letters A > 1998 > 246 > 5 > 451-458
Physics Letters A > 1998 > 246 > 5 > 464-470
Physics Letters A > 1998 > 246 > 5 > 423-428
Physics Letters A > 1998 > 246 > 5 > 403-406
Physics Letters A > 1998 > 246 > 5 > 459-463
Physics Letters A > 1998 > 246 > 5 > 389-393
Physics Letters A > 1998 > 246 > 5 > 399-402
Physics Letters A > 1998 > 246 > 5 > 407-411
Physics Letters A > 1998 > 246 > 5 > 429-435
Physics Letters A > 1998 > 246 > 5 > 385-388
Physics Letters A > 1998 > 246 > 5 > 446-450
Physics Letters A > 1998 > 246 > 5 > 412-422
Physics Letters A > 1998 > 246 > 5 > 441-445
Physics Letters A > 1998 > 246 > 5 > 394-398
Physics Letters A > 1998 > 246 > 5 > 436-440