NURBEKYAN, Levon. On Analytic Continuation of the Power Series Outside of the Convergence Disc. Armenian Journal of Mathematics, Yerevan, Armenia, v. 4, n. 1, p. 25–43, 2012. Disponível em: http://test.armjmath.sci.am/index.php/ajm/article/view/82. Acesso em: 9 may. 2026.