Eigenvalues of second-order symmetric equations on time scales with periodic and antiperiodic boundary conditions.

Chao Zhang Yuming Shi Eigenvalues of second-order symmetric equations on time scales with periodic and antiperiodic boundary conditions. 284-296 2008 203 Applied Mathematics and Computation 1 http://dx.doi.org/10.1016/j.amc.2008.04.044 db/journals/amc/amc203.html#ZhangS08