AUTHOR, Unknown. ON FREQUENTLY HYPERCYCLICC-DISTRIBUTION COSINE FUNCTIONS IN FRECHET SPACES. Matematichki Bilten, [S. l.], v. 42, n. 2, 2018. DOI: 10.37560/matbil18200019k​. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1863. Acesso em: 13 jun. 2026.