TY - JOUR AU - Karakostas, G.L. AU - Tsamatos, P.Ch. TI - Multiple positive solutions of some Fredholm integral equations arisen from nonlocal boundary-value problems JO - Electronic journal of differential equations PY - 2002 VL - 2002 UR - http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a151/ LA - en ID - EJDE_2002__2002__a151 ER -