Sartabanov Zhayshylyk Almaganbetovich, и Aitenova Gulsezim Muratovna. 2019. «MULTIPERIODIC SOLUTIONS OF LINEAR SYSTEMS INTEGRO-DIFFERENTIAL EQUATIONS WITH Dc -OPERATOR AND  -PERIOD OF HEREDITARY». Academic Scientific Journal of Computer Science, вып. 1 (февраль):23-31. https://journals.nauka-nanrk.kz/physics-mathematics/article/view/1157.