LEHTO, Olli. A majorant principle in the theory of functions. MATHEMATICA SCANDINAVICA, [S. l.], v. 1, p. 5–17, 1953. DOI: 10.7146/math.scand.a-10360. Disponível em: https://tidsskrift.dk/math/article/view/10360. Acesso em: 14 aug. 2026.