RANA, Pravanjan Kr. A STUDY OF FUNCTOR ASSOCIATED WITH TRANSFORMATION GROUPS. Matematichki Bilten, [S. l.], v. 36, n. 1, p. 19–26, 2012. DOI: 10.37560/matbil123600019r​. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1771. Acesso em: 14 aug. 2026.