Logvinenko, V., and N. Nazarova. “Bernstein-Type Theorems and Uniqueness Theorems”. Ukrains’kyi Matematychnyi Zhurnal 56, no. 2 (February 25, 2004): 198-213. Accessed May 12, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3743.