Cone-constrained eigenvalue problems: theory and algorithms. - António Pinto da Costa; Alberto Seeger (Comput. Optim. Appl., 2010)

Using Symbolic Computation in the Characterization of Frictional Instabilities Involving Orthotropicmaterials. - Mohamed A. Agwa; António Pinto da Costa (Int. J. Appl. Math. Comput. Sci., 2015)

Complementarity eigenvalue problems for nonlinear matrix pencils. - António Pinto da Costa; Alberto Seeger; F. M. F. Simões (Appl. Math. Comput., 2017)