N. KIRAN KUMAR, G. UPENDER REDDY. Operators Preserving K-g- Frames. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 11, n. 3, p. 1462–1468, 2020. DOI: 10.17762/turcomat.v11i3.12958. Disponível em: https://www.turcomat.org/index.php/turkbilmat/article/view/12958. Acesso em: 25 jul. 2025.