Physics Letters A
Physics Letters A > 2011 > 375 > 3 > 733-737
Physics Letters A > 2011 > 375 > 3 > 363-367
Physics Letters A > 2011 > 375 > 3 > 463-467
Physics Letters A > 2011 > 375 > 3 > 318-323
Physics Letters A > 2011 > 375 > 3 > 712-715
Physics Letters A > 2011 > 375 > 3 > 716-725
Physics Letters A > 2011 > 375 > 3 > 356-359
Physics Letters A > 2011 > 375 > 3 > 237-244
Physics Letters A > 2011 > 375 > 3 > 256-259
Physics Letters A > 2011 > 375 > 3 > 788-794
Physics Letters A > 2011 > 375 > 3 > 379-384
Physics Letters A > 2011 > 375 > 3 > 468-473
Physics Letters A > 2011 > 375 > 3 > 422-429
Physics Letters A > 2011 > 375 > 3 > 609-613
Physics Letters A > 2011 > 375 > 3 > 647-650
Physics Letters A > 2011 > 375 > 3 > 291-297
Physics Letters A > 2011 > 375 > 3 > 260-264
Physics Letters A > 2011 > 375 > 3 > 484-487
Physics Letters A > 2011 > 375 > 3 > 549-557
Physics Letters A > 2011 > 375 > 3 > 795-799