PHYSICS LETTERS A

YU YJ, WANG YF, CHEN ZY

PHYSICS LETTERS A

ZHANG QT, CHAN KS

PHYSICS LETTERS A

JELLAL A

PHYSICS LETTERS A

XU MT

PHYSICS LETTERS A

LUO R, YANG JR, WANG TB, ZHANG DJ, LIU WX, YU TB, LIAO QH

PHYSICS LETTERS A

SETARE MR, GHASEMIAN K, JAHANI D

PHYSICS LETTERS A

ZHANG T, ZHANG YL, CHEN J

PHYSICS LETTERS A

LUO GY, WEN L, LV XY, LI ZQ

PHYSICS LETTERS A

EMAMIPOUR H

PHYSICS LETTERS A

LUAN JL, GUO KY, LI SY, MA TX, WANG LG, LIN HQ