N'Guerekata, G. M. On almost periodic solutions of the differential equation x″(t)=Ax(t) in Hilbert spaces. Wiley.
Chicago Style (17th ed.) CitationN'Guerekata, Gaston M. On Almost Periodic Solutions of the Differential Equation X″(t)=Ax(t) in Hilbert Spaces. Wiley.
MLA (9th ed.) CitationN'Guerekata, Gaston M. On Almost Periodic Solutions of the Differential Equation X″(t)=Ax(t) in Hilbert Spaces. Wiley.
Warning: These citations may not always be 100% accurate.