Fatulaev, B. F. “The Main Haseman Type Boundary Value Problem for Metaanalytic Function in the Case of Circular Domains”. Mathematical Modelling and Analysis 6, no. 1 (June 30, 2001): 68-76. Accessed March 10, 2025. https://transport.vilniustech.lt/index.php/MMA/article/view/9885.