doi> Edmundo G. de Souza e Silva; LEGEY, L. F. L.; Edmundo A. de Souza e Silva. Forecasting Oil Price Trends Using Wavelets and Hidden Markov Models. Energy Economics, v. 32, p. 1507-1519, 2010.
doi> Edmundo G. de Souza e Silva; LEGEY, L. F. L.; Edmundo A. de Souza e Silva. Forecasting Oil Price Trends Using Wavelets and Hidden Markov Models. Energy Economics, v. 32, p. 1507-1519, 2010.
