@article{arfib1979digital, title = {Digital Synthesis of Complex Spectra by Means of Multiplication of Nonlinear Distorted Sine Waves}, author = {Arfib, Daniel}, journal = {J. Audio Eng. Soc}, volume = {27}, number = {10}, pages = {757--768}, year = {1979}, url = {https://www.aes.org/e-lib/browse.cfm?elib=3178} }