Existence and Stability of Traveling Wave Solutions for a Population Genetic Model via Singular Perturbations. - Jack D. Dockery; Roger Lui (SIAM J. Appl. Math., 1994)

Stacked Fronts for Cooperative Systems with Equal Diffusion Coefficients. - Masato Iida; Roger Lui; Hirokazu Ninomiya (SIAM J. Math. Anal., 2011)