Hans S. Witsenhausen. On Policy Independence of Conditional Expectations. Inf. Comput., 28(1):65-75, May 1975.
@article{Witsenhausen75, title = {On Policy Independence of Conditional Expectations}, author = {Hans S. Witsenhausen}, year = {1975}, month = {May}, researchr = {https://researchr.org/publication/Witsenhausen75}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {28}, number = {1}, pages = {65-75}, }