Ромашов, Владимир, 		Ромашова, Любовь, 		Якименко, Кирилл, AND 		Петров, Андрей.
" Development of a mathematical model of noise characteristics of the heterodyne of modern spectrum analyzers" <em>Methods and devices of information transmission and processing</em> [Online],  Number 20 (31 December 2019)