Дем’яненко, П. and Зінковський, Ю. (2010) “Concerning to coherency of electromagnetic waves, light in particular (part 1)”, Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, 0(40), pp. 177-188. doi: 10.20535/RADAP.2010.40.177-188.