Nguyen NH, Le TMH, Nguyen TL, Pham NG. Periodic solutions to the non-autonomous Oseen-Navier-Stokes equations in exterior domains. J. Water Resour. Environ. Eng. 2025;(97):13-19. Accessed November 13, 2026. https://thuyloi.vojs.vn/index.php/tlmt/article/view/50