RASULOV, M.; ALIYEV, N.; SINSOYSAL, B. Investigation of the solution of a boundary value problem with variable coefficients whose principal part is the Cauchy–Riemann equation. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 120, n. 4, p. 155–162, 2025. DOI: 10.31489/2025m4/155-162. Disponível em: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/1163. Acesso em: 16 jan. 2026.