TY - JOUR AU - O'Regan, Donal TI - Existence principles for second order nonresonant boundary value problems. JO - International Journal of Stochastic Analysis PY - 1994 SP - 487 VL - 7 IS - 4 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.1155/S1048953394000389/ DO - 10.1155/S1048953394000389 LA - en ID - 10_1155_S1048953394000389 ER -