CHESNEAU, Christophe. On a specific ratio-cosine Hardy-Hilbert-type integral inequality in the entire plane . Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 71, n. 1, p. 73–82, 2026. DOI: 10.24193/subbmath.2026.1.05. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/10083. Acesso em: 1 may. 2026.