Michel Chipot, Koji Okada. Asymptotic behavior of solutions to nonlocal diffusion systems driven by systems of ordinary differential equations. Adv. Differential Equations. 2007. 12. 8. 841-866
Koji Okada. Asymptotic behavior of solutions for an interface equation: interface dynamics and center-of-mass motions. 京都大学数理解析研究所講究録 『発展方程式と解の漸近解析』. 2005. 1436. 155-166