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Sartabanov Zhayshylyk Almaganbetovich, Aitenova Gulsezim Muratovna. MULTIPERIODIC SOLUTIONS OF LINEAR SYSTEMS INTEGRO-DIFFERENTIAL EQUATIONS WITH Dc -OPERATOR AND  -PERIOD OF HEREDITARY. PMS [Интернет]. 4 февраль 2019 г. [цитируется по 23 декабрь 2024 г.];(1):23-31. доступно на: http://89.250.84.46/physics-mathematics/article/view/1157