%0 Journal Article %A P.N. Natarajan %T The Schur and Steinhaus Theorems for 4-Dimensional Infinite Matrices %J Commentationes Mathematicae %D 2014 %P 159-165 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v54i2.698/ %R 10.14708/cm.v54i2.698 %G pl %F 10_14708_cm_v54i2_698