Benkaci-Ali, NadirBenmezai, A.Ntouyas, S.K.2015-12-102015-12-1020131074133Xhttps://dspace.univ-boumerdes.dz/handle/123456789/2519enIndex-jump propertyPositive solutionSingular BVP'sEigenvalue criteria for existence of positive solutions to singular third-order BVPs via the index-jump propertyArticle