THANGARAJ BEAULA; DANIEL EVANS. Operators in 2-fuzzy n-n inner product space. Malaya Journal of Matematik, India, v. 6, n. 03, p. 556–562, 2018. DOI: 10.26637/MJM0603/0015. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/876. Acesso em: 15 aug. 2024.