Bobalo, Yuriy     Problems and concepts of ensuring the reliability of electro- and radio-electronic apparatus [Текст] / Yuriy Bobalo // Computational problems of electrical engineeringVol. 1. Vol. 1. N. 1 ; Lviv Polytechnic Nat. Univ. ; ed.-in-chief Yuriy Bobalo - Lviv : Lviv Polytechnic Nat. Univ. , 2011. — P. 1-3.