[1]
M. C. Reis, S. Soares, S. Cardeal, R. Morais, E. Peres, and P. J. S. G. Ferreira, “Teaching Fourier Series Expansions in Undergraduate Education with the Help of the FouSE Android Application”, Int. J. Interact. Mob. Technol., vol. 8, no. 1, pp. pp. 26–31, Jan. 2014.