El-Raheem, Zaki F. A.Nasser, A. H.2019-11-282019-11-282011Cited References in Web of Science Core Collection: 61085-3375DOI: 10.1155/2011/828176https://www.hindawi.com/journals/aaa/2011/828176/Accession Number: WOS:000294635100001We prove the eigenfunction expansion formula for a Dirichlet problem with explosive factor by two ways, first by standard method and second by proving a convergence in some metric space L(2)(0, pi; rho(x)).enUniversity of The Eigenfunction ExpansionExplosive FactorArticle