Elmer G. Gilbert. Linear System Approximation by Differential Analyzer Simulation of Orthonormal Approximation Functions. IEEE Transactions on Computers, 8(2):204-209, 1959. [doi]
@article{Gilbert59,
title = {Linear System Approximation by Differential Analyzer Simulation of Orthonormal Approximation Functions},
author = {Elmer G. Gilbert},
year = {1959},
doi = {10.1109/TEC.1959.5219523},
url = {http://dx.doi.org/10.1109/TEC.1959.5219523},
researchr = {https://researchr.org/publication/Gilbert59},
cites = {0},
citedby = {0},
journal = {IEEE Transactions on Computers},
volume = {8},
number = {2},
pages = {204-209},
}