On the average value for nonconstant eigenfunctions of the p -Laplacian assuming Neumann boundary data. Robinson, Stephen B. — 2003 Electronic Journal of Differential Equations (EJDE) [electronic only]
A singular nonlinear boundary-value problem. Houck, Robert M.; Robinson, Stephen B. — 1999 Electronic Journal of Differential Equations (EJDE) [electronic only]
Rotationally symmetric deformations of a spherical cap. Baxley, John V.; Robinson, Stephen B. — 1997 Electronic Journal of Differential Equations (EJDE) [electronic only]
On the Fredholm alternative for the Fučík spectrum. Drábek, Pavel; Robinson, Stephen B. — 2010 Abstract and Applied Analysis