“Recognition of Phonendoscops Signals in the Area of Autocorrelation Functions and Linear Prognostication Coefficient”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 40, Dec. 2010, pp. 21-26, https://doi.org/10.20535/RADAP.2010.40.21-26.