[1]
L. Njagi, B. M. Nzimbi, and S. K. Moindi, “On Finite Dimensional Hilbert Space Frames, Dual and Normalized Frames and Pseudo-inverse of the Frame Operator”, JARMS, vol. 5, no. 11, pp. 01–10, Nov. 2018, doi: 10.53555/nnms.v5i11.528.