[1]
Y. B. . Zelinsky, β€œOn linear convex domains with smooth bounds ”, Ukr. Mat. Zhurn., vol. 40, no. 1, pp. 53–58, Dec. 1987, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/9054