@article{paperid:1074878,
author = {Ali Zamani and Sal Moslehian, Mohammad},
title = {An extension of orthogonality relations based on norm derivatives},
journal = {Quarterly Journal of Mathematics},
year = {2019},
volume = {70},
number = {2},
month = {June},
issn = {0033-5606},
pages = {379--393},
			numpages = {14},
keywords = {orthogonality relation; normed space; norm derivative; orthogonality},
}