%0 Journal Article %A O'Regan, Donal %T Existence principles for second order nonresonant boundary value problems. %J International Journal of Stochastic Analysis %D 1994 %P 487 %V 7 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.1155/S1048953394000389/ %R 10.1155/S1048953394000389 %G en %F 10_1155_S1048953394000389