%0 Journal Article %A Beneš, Karel %T Mathematical description of program diagram %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 1989 %P 243-253 %V 28 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/AUPO_1989__28_1_a13/ %G en %F AUPO_1989__28_1_a13