ZHANBUSINOVA, B.Kh.; SHAYKHMETOVA, B.K.; ZHANBOLOVA, A.K. Operator method of solving differential-difference equations of first order. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 79, n. 3, p. 40–43, 2015. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/45. Acesso em: 7 sep. 2025.