带\emph{p}-Laplacian算子的三阶微分方程边值问题三个正解的存在性
张立新, 葛渭高
EXISTENCE OF THREE POSITIVE SOLUTIONS FOR  THIRD-ORDER DIFFERENTIAL EQUATIONS OF BOUNDARY VALUE PROBLEM
 WITH P-LAPLACIAN
ZHANG Lixin, GE Weigao
系统科学与数学 . 2011, (7): 837 -844 .  DOI: 10.12341/jssms11652