@article{JCA_2017_24_3_JCA_2017_24_3_a9,
     author = {K. Paul and P. Ghosh and D. Sain},
     title = {On {Rectangular} {Constant} in {Normed} {Linear} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {917--925},
     year = {2017},
     volume = {24},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JCA_2017_24_3_JCA_2017_24_3_a9/}
}