Sydor, A. R.     Reliability indices of composite electromagnetic systems [Текст] / A.R. Sydor // Direct and inverse problems of electromagnetic and acoustic wave theory : proc. of XVI intern. seminar/ workshop on,Tbilisi, Sept. 26-29, 2011 / Tbilisi State Univ., Pidstryhach inst. of Appl. Problems of Mec. and. Mat., NASU. — Lviv, 2011. — P. 167-169.