%0 Journal Article %A Marek, I. %T Perron root of a convex combination of a positive kernel and its adjoint %J Acta Universitatis Carolinae. Mathematica et Physica %D 1978 %P 3-14 %V 19 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/AUCMP_1978__19_1_a1/ %G en %F AUCMP_1978__19_1_a1