Stakhiv, Petro     Effective algorithm of calculating the static modes of nonlinear electromagnetic circuits [Текст] / Petro Stakhiv, Vasyl Malyar, Iryna Dobushovska // Computational problems of electrical engineering / Lviv Polytechnic nat. univ. ; ed.-in-chief Yuriy Bobalo. — Lviv : lviv Polytechnic nat. univ., 2012. — P. 107-112.