| | Shapovalov, Yuriy Tolerance analysis and optimization of linear periodically time-variable circuits based on the frequency symbolic method [Текст] / Yuriy Shapovalov, Bohdan Mandziy, Dariya Bachyk // Computational problems of electrical engineering / Lviv Polytechnic nat. univ. ; ed.-in-chief Yuriy Bobalo. — Lviv : lviv Polytechnic nat. univ., 2012. — P. 55-60. |
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