%0 Journal Article
%T Sharpening lower bound in some inequalities for Frames in Hilbert spaces
%A Fahimeh Sultanzadeh
%A  Mahmood Hassani
%A  Mohsen Erfanian Omidvar
%A  Kamyabi Gol, Rajab Ali
%J Korean Journal of Mathematics
%@ 1976-8605
%D 2022