TROHIMCHUK, Yu. Yu. On one criterion for analyticity of functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 59, n. 10, p. 1410–1418, 2007. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3399. Acesso em: 11 apr. 2025.