Pavlikov, V. V.     Optimal algorithm for estimation of radio brightness of an extended source of radio thermal radiation in the ultra-wideband radiometric complex with a three-element-antenna system [Текст] / V.V. Pavlikov, Nguyen Kiem // XIII International Conference "Modern Problems of Radio Engineering, Telecommunications and Computer Science TCSET'2016", February 23-26, 2016 Lviv-Slavske, Ukraine : Proceedings / Min. of Education and Science of Ukraine, Lviv Polytechnic Nat. Univ. — Lviv : Publishing House of Lviv Polytechnic, 2016. — P. 236-239.