Eduardo D. Sontag, Héctor J. Sussmann. Back propagation separates where perceptrons do. Neural Networks, 4(2):243-249, 1991. [doi]
@article{SontagS91,
title = {Back propagation separates where perceptrons do},
author = {Eduardo D. Sontag and Héctor J. Sussmann},
year = {1991},
doi = {10.1016/0893-6080(91)90008-S},
url = {http://dx.doi.org/10.1016/0893-6080(91)90008-S},
researchr = {https://researchr.org/publication/SontagS91},
cites = {0},
citedby = {0},
journal = {Neural Networks},
volume = {4},
number = {2},
pages = {243-249},
}