%0 Journal Article %A Calamai, Alessandro %T On existence and uniqueness of solutions for ordinary differential equations with nonlinear boundary conditions %J Bollettino della Unione matematica italiana %D 2004 %P 469-481 %V 7B %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/BUMI_2004_8_7B_2_a12/ %G en %F BUMI_2004_8_7B_2_a12