Gavina A, Matos J., Vasconcelos PB. Improving the Accuracy of Chebyshev Tau Method for Nonlinear Differential Problems. Mathematics in Computer Science. 2016;10(2):279-289.Edit

Castro A, Matos J., Gavina A. Numerical solution of a PDE system with non-linear steady state conditions that translates the air stripping pollutants removal. Vol Nonlinear Science and Complexity Springer Netherlands 2011.Edit

Gavina A, Matos JM, Vasconcelos PB. Computation of Optimal Control Solutions with the Tau Method and an Error Estimator . In: Computational Science and Its Applications (ICCSA), 2014 14th International Conference on . Portugal, Guimarães: IEEE; 2014. 1. p. 111-115p. Edit