Carl Wunsch. The multiple spectral factorization method of Wiener and Masani. IEEE Transactions on Information Theory, 11(2):175-182, 1965. [doi]
@article{Wunsch65, title = {The multiple spectral factorization method of Wiener and Masani}, author = {Carl Wunsch}, year = {1965}, doi = {10.1109/TIT.1965.1053745}, url = {http://dx.doi.org/10.1109/TIT.1965.1053745}, researchr = {https://researchr.org/publication/Wunsch65}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Information Theory}, volume = {11}, number = {2}, pages = {175-182}, }