TY - JOUR AU - LingjuKong TI - SolutionsofaClassofDiscrete FourthOrderBoundaryValueProblems JO - Minimax theory and its applications PY - 2018 VL - 3 IS - 1 UR - http://geodesic.mathdoc.fr/item/MTA_2018_3_1_a7/ ID - MTA_2018_3_1_a7 ER -