(1)
Njagi, L.; Nzimbi, B. M.; Moindi, S. K. On Finite Dimensional Hilbert Space Frames, Dual and Normalized Frames and Pseudo-Inverse of the Frame Operator. JARMS 2018, 5 (11), 01-10. https://doi.org/10.53555/nnms.v5i11.528.