@article{paperid:1070538,
author = {Morshedi, Vahid Reza and Janfada, Mohammad},
title = {Approximately dual frames in Banach spaces via semi-inner products},
journal = {Mathematical Reports},
year = {2020},
volume = {22},
number = {4},
month = {December},
issn = {1582-3067},
pages = {245--260},
			numpages = {15},
keywords = {Xd-frame; semi-inner product; duality mapping; approximately duals; pseudo-duals; g-dual.},
}