Some general results in the theory of noise through non-linear devices
David Middleton · Quarterly of Applied Mathematics · 1948
2 S. O. Rice, loc.cit.24, 46 (1945).Since this paper was written, Professor Brillouin has kindly called the author's attention to the interesting work of Dr. Blanc-Lapierre along somewhat similar lines, in particular, a thesis: Sur certaines fonctions aleatoires stationnaires.Application d I'ttude des fluctuations dues d la structure Slectronique de I'electricite, and Effet Schottky.Fluctuations dans les amplificateurs liniaires et dans les ditecteurs, Bull, de la Soc.fr.des Elec.(6) 5, No. 53, Nov. 1945.3 M. C. Wang and G. E. Uhlenbeck, On the theory of the brownian motion II, Rev. Mod.Phys.17, 323 (1945).This paper and reference 4 contain a considerable number of references to previous work along these lines.