On a problem of C. Baak and M.S. Moslehian. - Abbas Najati (Appl. Math. Lett., 2009)

On the completeness of normed spaces. - Abbas Najati (Appl. Math. Lett., 2010)

(F, G)-operator frames for ℒ(ℋ, 풦). - J. Sedghi Moghaddam; Abbas Najati; Fatemeh Ghobadzadeh (Int. J. Wavelets Multiresolution Inf. Process., 2020)