SpringerOpen Newsletter

Receive periodic news and updates relating to SpringerOpen.

Open Access Research

Positive periodic solutions for a second-order functional differential equation

Yongxiang Li* and Qiang Li

Boundary Value Problems 2012, 2012:140  doi:10.1186/1687-2770-2012-140

Article Metrics

1349
Total accesses

Article metric FAQ

Accesses  

  • Last 30 days: 33 accesses
  • Last 365 days: 471 accesses
  • All time: 1349 accesses

These numbers are accesses on SpringerOpen websites only, and an underestimate of total usage. More information