Physics Letters A
Physics Letters A > 2007 > 360 > 3 > 419-422
Physics Letters A > 2007 > 360 > 3 > 472-480
Physics Letters A > 2007 > 360 > 3 > 405-410
Physics Letters A > 2007 > 360 > 3 > 429-434
Physics Letters A > 2007 > 360 > 3 > 461-466
Physics Letters A > 2007 > 360 > 3 > 481-485
Physics Letters A > 2007 > 360 > 3 > 423-428
Physics Letters A > 2007 > 360 > 3 > 411-414
Physics Letters A > 2007 > 360 > 3 > 467-471
Physics Letters A > 2007 > 360 > 3 > 448-453
Physics Letters A > 2007 > 360 > 3 > 415-418
Physics Letters A > 2007 > 360 > 3 > 439-447
Physics Letters A > 2007 > 360 > 3 > 486-490
Physics Letters A > 2007 > 360 > 3 > 435-438
Physics Letters A > 2007 > 360 > 3 > 454-460