Roy Leipnik. The effect of instantaneous nonlinear devices on cross-correlation. IEEE Transactions on Information Theory, 4(2):73-76, 1958. [doi]
@article{Leipnik58,
title = {The effect of instantaneous nonlinear devices on cross-correlation},
author = {Roy Leipnik},
year = {1958},
doi = {10.1109/TIT.1958.1057445},
url = {http://dx.doi.org/10.1109/TIT.1958.1057445},
researchr = {https://researchr.org/publication/Leipnik58},
cites = {0},
citedby = {0},
journal = {IEEE Transactions on Information Theory},
volume = {4},
number = {2},
pages = {73-76},
}