@article{paperid:1088756, author = {FAHIMEH SULTANZADEH and MAHMOUD HASSANI and MOHSEN ERFANIAN OMIDVAR and Kamyabi Gol, Rajab Ali}, title = {Refining some Inequalities for Frames with Specht\'s Ratio}, journal = {Kragujevac Journal of Mathematics}, year = {2022}, volume = {46}, number = {1}, month = {January}, issn = {1450-9628}, pages = {39--47}, numpages = {8}, keywords = {Specht’s ratio; frame; Parseval frame; inequality}, }