00678nam a2200229 a 450000500170000002000180001708200160003510000190005110000170007024500740008726000380016130000260019949000500022550000510027560000080032663000230033463000280035763000230038563000280040885600060043685600060044220251203112547.0 a9789814696548 a518.63bGRA aGraef, John R. aKong, Lingju aMultiple solutions of boundary value problemsba variational approach aSingaporebWorld Scientificc2016 ax, 279 p.c24 cm.bHB aTrends in abstract and applied analysis, v. 1 aIncludes bibliographical references and index. bc_ aNumerical analysis aBoundary value problems aVariational method aDifferential equations. f_ a_