Дем’яненко, П., & Зінковський, Ю. (2010). Concerning to coherency of electromagnetic waves, light in particular (part 2). Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, (41), 191-204. https://doi.org/10.20535/RADAP.2010.41.191-204