%0 Journal Article %A P.N. Natarajan %T The Schur and Steinhaus Theorems for 4-Dimensional Matrices in Ultrametric Fields %J Commentationes Mathematicae %D 2011 %P 203-209 %V 51 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v51i2.5321/ %R 10.14708/cm.v51i2.5321 %G pl %F 10_14708_cm_v51i2_5321