Hans S. Witsenhausen. Indirect rate distortion problems. IEEE Transactions on Information Theory, 26(5):518-521, 1980. [doi]
@article{Witsenhausen80a, title = {Indirect rate distortion problems}, author = {Hans S. Witsenhausen}, year = {1980}, doi = {10.1109/TIT.1980.1056251}, url = {http://doi.ieeecomputersociety.org/10.1109/TIT.1980.1056251}, researchr = {https://researchr.org/publication/Witsenhausen80a}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Information Theory}, volume = {26}, number = {5}, pages = {518-521}, }