Multiple positive solutions for a nonlocal boundary-value problem with response function quiet at zero. Karakostas, G.L.; Tsamatos, P.Ch. — 2001 Electronic Journal of Differential Equations (EJDE) [electronic only]
Positive solutions for a nonlocal boundary-value problem with increasing response. Karakostas, G.L.; Tsamatos, P.Ch. — 2000 Electronic Journal of Differential Equations (EJDE) [electronic only]
Positive solutions to a boundary-value problem for second order ordinary differential equations. Karakostas, G.L.; Tsamatos, P.Ch. — 2000 Electronic Journal of Differential Equations (EJDE) [electronic only]
Multiple positive solutions of some Fredholm integral equations arisen from nonlocal boundary-value problems. Karakostas, G.L.; Tsamatos, P.Ch. — 2002 Electronic Journal of Differential Equations (EJDE) [electronic only]
Positive solutions and nonlinear eigenvalue problems for retarded second order differential equations. Karakostas, G.L.; Tsamatos, P.Ch. — 2002 Electronic Journal of Differential Equations (EJDE) [electronic only]