SPRINDZUK, V. G. The metrical theorems on algebraic approximations in the field of power series. Lithuanian Mathematical Journal, [S. l.], v. 2, n. 2, p. 207–213, 1962. DOI: 10.15388/LMJ.1962.19353. Disponível em: https://www.journals.vu.lt/LMJ/article/view/19353.. Acesso em: 29 apr. 2024.