%0 Journal Article %A Fatih Nuray %T Bounded index and four dimensional summability methods %J Novi Sad Journal of Mathematics %D 2019 %P 73 - 85 %V 49 %N 2 %U http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.08285/ %R 10.30755/NSJOM.08285 %F 10.30755/NSJOM.08285