@article{KJM_2015_39_1_a4,
     author = {S. S. Dragomir and M. V. Boldea and M. Megan},
     title = {New {Norm} {Inequalities} of {\v{C}eby\v{s}ev} {Type} for {Power} {Series} in {Banach} {Algebras}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {41 },
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2015_39_1_a4/}
}