Hamola, Orest     A two-dimensional model of an electromagnetic accelerator [Текст] / Orest Hamola, Marta Hamola // Computational problems of electrical engineeringVol. 2. Vol. 2. N. 1 ; Lviv Polytechnic Nat. Univ. ; ed.-in-chief Yuriy Bobalo - Lviv : Lviv Polytechnic nat. univ. , 2012. — P. 29-32.