António Araújo and José Matos. 1999.
 Approximation of Elementary Functions by Polynomials and Rational Functions - Some Results for FPGA Based Implementations. In <em>Anais do XI Simpósio de Arquitetura de Computadores e Processamento de Alto Desempenho</em>, setembro 29, 1999, Natal, Brasil. SBC, Porto Alegre, Brasil, 257-264. DOI: <a href="https://doi.org/10.5753/sbac-pad.1999.19798">https://doi.org/10.5753/sbac-pad.1999.19798</a>.