Semikernels, Quasi Kernels, and Grundy Functions in the Line Digraph. - Hortensia Galeana-Sánchez; Laura Pastrana Ramírez; Hugo Alberto Rincón-Mejía (SIAM J. Discret. Math., 1991)

Kernels in edge coloured line digraph. - Hortensia Galeana-Sánchez; Laura Pastrana Ramírez (Discuss. Math. Graph Theory, 1998)

Kernels in monochromatic path digraphs. - Hortensia Galeana-Sánchez; Laura Pastrana Ramírez; Hugo Alberto Rincón-Mejía (Discuss. Math. Graph Theory, 2005)

k-Kernels and some operations in digraphs. - Hortensia Galeana-Sánchez; Laura Pastrana (Discuss. Math. Graph Theory, 2009)