@article{KJM_2018_42_4_a8,
     author = {Akram Babri Bajmaeh and Mohsen Erfanian Omidvar},
     title = {Some {Inequalities} for the {Numerical} {Radius} and {Rhombic} {Numerical} {Radius}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {569 },
     publisher = {mathdoc},
     volume = {42},
     number = {4},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2018_42_4_a8/}
}