Torben Larsen. Theory of weakly non-linear noisy systems. I. J. Circuit Theory and Applications, 19(5):431-452, 1991. [doi]
@article{Larsen91-1, title = {Theory of weakly non-linear noisy systems}, author = {Torben Larsen}, year = {1991}, doi = {10.1002/cta.4490190502}, url = {https://doi.org/10.1002/cta.4490190502}, researchr = {https://researchr.org/publication/Larsen91-1}, cites = {0}, citedby = {0}, journal = {I. J. Circuit Theory and Applications}, volume = {19}, number = {5}, pages = {431-452}, }