TUĞ, Orhan. Almost and Strongly Almost B(r ̃,s ̃,t ̃,u ̃)- Summable Double Sequences. EURASIAN JOURNAL OF SCIENCE AND ENGINEERING, [S. l.], v. 7, n. 2, p. 71–89, 2021. DOI: 10.23918/eajse.v7i2p71. Disponível em: https://eajse.tiu.edu.iq/index.php/eajse/article/view/170. Acesso em: 9 may. 2026.