TY  - JOUR
AU  - Mavridis, Kyriakos G.
AU  - Tsamatos, Panagiotis Ch.
TI  - Two positive solutions for second-order functional and ordinary boundary-value problems
JO  - Electronic Journal of Differential Equations
PY  - 2005
VL  - 2005
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a221/
LA  - en
ID  - EJDE_2005__2005__a221
ER  -