%0 Journal Article %A Marek, Ivo %T On $\cal K$-positive elements of the spectral resolution of a $\cal K$-positive operator %J Časopis pro pěstování matematiky %D 1965 %P 442-450 %V 090 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1965.108654/ %R 10.21136/CPM.1965.108654 %G en %F 10_21136_CPM_1965_108654