Hans S. Witsenhausen. Hybrid Solution of Partial Differential Equations. IEEE Transactions on Computers, 19(9):851, 1970. [doi]
@article{Witsenhausen70, title = {Hybrid Solution of Partial Differential Equations}, author = {Hans S. Witsenhausen}, year = {1970}, doi = {10.1109/T-C.1970.223055}, url = {http://doi.ieeecomputersociety.org/10.1109/T-C.1970.223055}, researchr = {https://researchr.org/publication/Witsenhausen70}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Computers}, volume = {19}, number = {9}, pages = {851}, }