Perjan, Andrei2021-10-192021-10-192003PERJAN, Andrei. Linear singular perturbations of hyperbolic-parabolic type. In: Buletinul Academiei de Ştiinţe a Moldovei. Matematica. 2003, nr. 2(42), pp. 95-112. ISSN 1024-7696.1024-7696https://msuir.usm.md/handle/123456789/4946We study the behavior of solutions of the problemεu′′(t)+u′(t)+Au(t) =f(t), u(0) =u0, u′(0) =u1in the Hilbert spaceHasε→0, whereAis a linear,symmetric, strong positive operator.ensingular perturbationshyperbolic equationparabolicequationboundary functionArticle