VYNNYTS’KYI, B. V. On zeros of functions analytic in a half plane and completeness of systems of exponents. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 5, p. 484–500, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5712. Acesso em: 5 dec. 2025.