Open Access Research

Existence of positive solutions to periodic boundary value problems with sign-changing Green's function

Shengren Zhong and Yukun An*

Boundary Value Problems 2011, 2011:8 doi:10.1186/1687-2770-2011-8

Accesses  

  • Last 30 days: 44 accesses
  • Last 365 days: 508 accesses
  • All time: 1269 accesses