%0 Journal Article %A Beneš, Karel %T Analog solution of a given problem in the back time %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 1990 %P 269-282 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_1990__29_1_a15/ %G en %F AUPO_1990__29_1_a15