Dante C. Youla. The solution of a homogeneous Wiener-Hopf integral equation occurring in the expansion of second-order stationary random functions. IEEE Transactions on Information Theory, 3(3):187-193, 1957. [doi]
@article{Youla57, title = {The solution of a homogeneous Wiener-Hopf integral equation occurring in the expansion of second-order stationary random functions}, author = {Dante C. Youla}, year = {1957}, doi = {10.1109/TIT.1957.1057414}, url = {http://dx.doi.org/10.1109/TIT.1957.1057414}, researchr = {https://researchr.org/publication/Youla57}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Information Theory}, volume = {3}, number = {3}, pages = {187-193}, }