Physics Letters A
Physics Letters A > 2002 > 300 > 6 > 547-558
Physics Letters A > 2002 > 300 > 6 > 619-627
Physics Letters A > 2002 > 300 > 6 > 591-594
Physics Letters A > 2002 > 300 > 6 > 666-671
Physics Letters A > 2002 > 300 > 6 > 603-610
Physics Letters A > 2002 > 300 > 6 > 628-635
Physics Letters A > 2002 > 300 > 6 > 648-653
Physics Letters A > 2002 > 300 > 6 > 636-640
Physics Letters A > 2002 > 300 > 6 > 567-572
Physics Letters A > 2002 > 300 > 6 > 687-690
Physics Letters A > 2002 > 300 > 6 > 654-657
Physics Letters A > 2002 > 300 > 6 > 658-665
Physics Letters A > 2002 > 300 > 6 > 691-696
Physics Letters A > 2002 > 300 > 6 > 672-686
Physics Letters A > 2002 > 300 > 6 > 541-546
Physics Letters A > 2002 > 300 > 6 > 611-618
Physics Letters A > 2002 > 300 > 6 > 586-590
Physics Letters A > 2002 > 300 > 6 > 581-585