[1]
V. V. Maimeskul, “Quasianalytic classes of functions on a plane”, Ukr. Mat. Zhurn., vol. 45, no. 7, pp. 982–991, Jul. 1993, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5892