Elastic membrane equation in bounded and unbounded domains. Clark, H.R. — 2002 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Flutter panel equation in non cylindrical domain. Clark, H.R.; Ferrel, J.L.; Clark, M.R. — 2003 Southwest Journal of Pure and Applied Mathematics [electronic only]
On a nonlinear coupled system with internal damping. Apolaya, R.F.; Clark, H.R.; Feitosa, A.J. — 2000 Electronic Journal of Differential Equations (EJDE) [electronic only]
On the viscous Burgers equation in unbounded domain. Límaco, J.; Clark, H.R.; Medeiros, L.A. — 2010 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Remarks on nonlinear biharmonic evolution equation of Kirchhoff type in noncylindrical domain. Límaco, J.; Clark, H.R.; Medeiros, L.A. — 2003 International Journal of Mathematics and Mathematical Sciences
On a mixed problem for a linear coupled system with variable coefficients. Clark, H.R.; San Gil Jutuca, L.P.; Milla Miranda, M. — 1998 Electronic Journal of Differential Equations (EJDE) [electronic only]