%0 Journal Article %A Jan Bochenek %T On eigenvalues and eigenfunctions of an operational equation %J Annales Polonici Mathematici %D 1970 %P 103-111 %V 24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-24-2-103-111/ %R 10.4064/ap-24-2-103-111 %G en %F 10_4064_ap_24_2_103_111