SpringerOpen Newsletter

Receive periodic news and updates relating to SpringerOpen.

Open Access Open Badges Research

Periodic solutions for nonautonomous second order Hamiltonian systems with sublinear nonlinearity

Zhiyong Wang* and Jihui Zhang

Boundary Value Problems 2011, 2011:23  doi:10.1186/1687-2770-2011-23

Article Metrics

Total accesses

Article metric FAQ


  • Last 30 days: 29 accesses
  • Last 365 days: 433 accesses
  • All time: 1934 accesses

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

Open Badges