Physics Letters A
Physics Letters A > 2014 > 378 > 18-19 > 1228-1232
Physics Letters A > 2014 > 378 > 32-33 > 2423-2428
Physics Letters A > 2014 > 378 > 35 > 2614-2618
Physics Letters A > 2014 > 378 > 44 > 3210-3217
Physics Letters A > 2014 > 378 > 46 > 3457-3463