%0 Journal Article %A G. Greiner %A %T Commutativity of compact selfadjoint operators %J Studia Mathematica %D 1994 %P 109-125 %V 112 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-112-2-109-125/ %R 10.4064/sm-112-2-109-125 %G en %F 10_4064_sm_112_2_109_125