| As faces da Física W Carron, O GUIMARÃES São Paulo: Moderna, 1997 | 85 | 1997 |
| Física O GUIMARÃES, JR PIQUEIRA, W CARRON São Paulo: Ática 1, 2, 2016 | 71 | 2016 |
| Fisica: volume unico W Carron, O Guimarães Moderna, 2003 | 15 | 2003 |
| Analytical solution of general Bagley-Torvik equation W Labecca, O Guimarães, JRC Piqueira Mathematical Problems in Engineering 2015, 2015 | 13 | 2015 |
| Dirac’s formalism combined with complex Fourier operational matrices to solve initial and boundary value problems W Labecca, O Guimarães, JRC Piqueira Communications in Nonlinear Science and Numerical Simulation 19 (8), 2614-2623, 2014 | 13 | 2014 |
| Direct computation of operational matrices for polynomial bases O Guimaraes, JRC Piqueira, M Lobo Netto Mathematical Problems in Engineering 2010, 2010 | 11 | 2010 |
| Física 3: eletromagnetismo e física moderna O GUIMARÃES, JR PIQUEIRA, W CARRON São Paulo: editora Ática, 2017 | 7 | 2017 |
| Novel approach to spectral methods for irregular domains O Guimarães, JRC Piqueira Computers & Mathematics with Applications 80 (1), 1-12, 2020 | 5 | 2020 |
| Analysis of critical heat flux correlations for small modular pressurized water reactors MLL Silva, TM Oliveira, JP Duarte, OS Guimarães, JRC Piqueira | 5 | 2014 |
| Combining Legendre's polynomials and genetic algorithm in the solution of nonlinear initial-value problems O Guimaraes, JRC Piqueira, M Lobo Netto Mathematical Problems in Engineering 2011, 2011 | 5 | 2011 |
| Generalized operational matrices and error bounds for polynomial basis O Guimarães, W Labecca, JRC Piqueira Mathematics and Computers in Simulation 172, 258-272, 2020 | 3 | 2020 |
| Física.(vol. 02) O Guimarães, JR Piqueira, W Carron São Paulo, SP: Ática, 2014 | 2 | 2014 |
| Computação evolutiva na resolução de equações diferenciais ordinárias não lineares no espaço de Hilbert. JOS Guimarães Universidade de São Paulo, 2008 | 2 | 2008 |
| Tensor solutions in irregular domains: Eigenvalue problems O Guimarães, W Labecca, JRC Piqueira Mathematics and Computers in Simulation 190, 110-130, 2021 | 1 | 2021 |
| Coadjoint formalism: Nonorthogonal basis problems W Labecca, O Guimarães, JRC Piqueira Mathematical Problems in Engineering 2016, 2016 | 1 | 2016 |
| Error upper bounds for a computational method for nonlinear boundary and initial-value problems O Guimaraes, JRC Piqueira Mathematical Problems in Engineering 2012, 2012 | 1 | 2012 |
| Solving 2nd order BVPs in planar irregular domains O Guimarães, W Labecca, JRC Piqueira Mathematics and Computers in Simulation 201, 1-22, 2022 | | 2022 |
| Well-Conditioning Map for Tensor Spectral Solutions for Eigenvalues in 2D Irregular Planar Domains O Guimarães, W Labecca, JRC Piqueira Mathematical Problems in Engineering 2022, 2022 | | 2022 |
| Research Article Coadjoint Formalism: Nonorthogonal Basis Problems W Labecca, O Guimarães, JRC Piqueira | | 2016 |
| Research Article Analytical Solution of General Bagley-Torvik Equation W Labecca, O Guimarães, JRC Piqueira | | 2015 |
