%0 Journal Article %A Piotr Antosik %A Charles Swartz %T A theorem on matrices and its applications in functional analysis %J Studia Mathematica %D 1983 %P 197-205 %V 77 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-77-3-197-205/ %R 10.4064/sm-77-3-197-205 %G en %F 10_4064_sm_77_3_197_205