TY - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) A1 - WANG Xiao-ming, LIANG Xiao-bin T1 - Aubry-Mather sets for a class of asymmetric Duffing equations Y1 - 2011-11-20 JF - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) SP - 59 EP - 63 VL - 46 IS - 11 UR - http://lxbwk.njournal.sdu.edu.cn N1 - ER -