Spectral properties of non-local uniformly-elliptic operators. Davidson, Fordyce A.; Dodds, Niall — 2006 Electronic Journal of Differential Equations (EJDE) [electronic only]
The formulation of second-order boundary value problems on time scales. Davidson, Fordyce A.; Rynne, Bryan P. — 2006 Advances in Difference Equations [electronic only]
Self-adjoint boundary-value problems on time-scales. Davidson, Fordyce A.; Rynne, Bryan P. — 2007 Electronic Journal of Differential Equations (EJDE) [electronic only]