SARTABANOV ZHAYSHYLYK ALMAGANBETOVICH; AITENOVA GULSEZIM MURATOVNA. MULTIPERIODIC SOLUTIONS OF LINEAR SYSTEMS INTEGRO-DIFFERENTIAL EQUATIONS WITH Dc -OPERATOR AND  -PERIOD OF HEREDITARY. Известия НАН РК. Серия физико-математическая, [S. l.], n. 1, p. 23–31, 2019. Disponível em: http://91834.libg.asia/physics-mathematics/article/view/1157. Acesso em: 20 апр. 2025.