TY - JOUR AU - G. Bonanno AU - A. Iannizzotto AU - M. Marras TI - Two Positive Solutions for Superlinear Neumann Problems with a Complete Sturm-Liouville Operator JO - Journal of convex analysis PY - 2018 SP - 421 EP - 434 VL - 25 IS - 2 UR - http://geodesic.mathdoc.fr/item/JCA_2018_25_2_JCA_2018_25_2_a5/ ID - JCA_2018_25_2_JCA_2018_25_2_a5 ER -