Physics Letters A
Physics Letters A > 1998 > 244 > 6 > 527-537
Physics Letters A > 1998 > 244 > 6 > 561-564
Physics Letters A > 1998 > 244 > 6 > 545-550
Physics Letters A > 1998 > 244 > 6 > 473-481
Physics Letters A > 1998 > 244 > 6 > 482-488
Physics Letters A > 1998 > 244 > 6 > 523-526
Physics Letters A > 1998 > 244 > 6 > 455-461
Physics Letters A > 1998 > 244 > 6 > 502-506
Physics Letters A > 1998 > 244 > 6 > 538-544
Physics Letters A > 1998 > 244 > 6 > 462-466
Physics Letters A > 1998 > 244 > 6 > 517-522
Physics Letters A > 1998 > 244 > 6 > 507-511
Physics Letters A > 1998 > 244 > 6 > 512-516
Physics Letters A > 1998 > 244 > 6 > 565-568
Physics Letters A > 1998 > 244 > 6 > 467-472
Physics Letters A > 1998 > 244 > 6 > 557-560
Physics Letters A > 1998 > 244 > 6 > 495-501