TY - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) A1 - RONG Chang1, CAI Hui-ping2, WANG Jun3 T1 - Oscillation of solutions of some non-homogeneous differential equations Y1 - 2011-12-20 JF - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) SP - 93 EP - 95 VL - 46 IS - 12 UR - http://lxbwk.njournal.sdu.edu.cn N1 - ER -